638562960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 320

約数和(自身を含む): 2539123200

約数和(自身を除く): 1900560240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 157, 168, 180, 189, 210, 216, 240, 252, 269, 270, 280, 314, 315, 336, 360, 378, 420, 432, 471, 504, 538, 540, 560, 628, 630, 720, 756, 785, 807, 840, 942, 945, 1008, 1076, 1080, 1099, 1256, 1260, 1345, 1413, 1512, 1570, 1614, 1680, 1883, 1884, 1890, 2152, 2160, 2198, 2355, 2421, 2512, 2520, 2690, 2826, 3024, 3140, 3228, 3297, 3766, 3768, 3780, 4035, 4239, 4304, 4396, 4710, 4842, 5040, 5380, 5495, 5649, 5652, 6280, 6456, 6594, 7065, 7263, 7532, 7536, 7560, 8070, 8478, 8792, 9415, 9420, 9684, 9891, 10760, 10990, 11298, 11304, 12105, 12560, 12912, 13188, 14130, 14526, 15064, 15120, 16140, 16485, 16947, 16956, 17584, 18830, 18840, 19368, 19782, 21195, 21520, 21980, 22596, 22608, 24210, 26376, 28245, 28260, 29052, 29673, 30128, 32280, 32970, 33894, 33912, 36315, 37660, 37680, 38736, 39564, 42233, 42390, 43960, 45192, 48420, 49455, 50841, 52752, 56490, 56520, 58104, 59346, 64560, 65940, 67788, 67824, 72630, 75320, 79128, 84466, 84735, 84780, 87920, 90384, 96840, 98910, 101682, 112980, 113040, 116208, 118692, 126699, 131880, 135576, 145260, 148365, 150640, 158256, 168932, 169470, 169560, 193680, 197820, 203364, 211165, 225960, 237384, 253398, 254205, 263760, 271152, 290520, 295631, 296730, 337864, 338940, 339120, 380097, 395640, 406728, 422330, 451920, 474768, 506796, 508410, 581040, 591262, 593460, 633495, 675728, 677880, 760194, 791280, 813456, 844660, 886893, 1013592, 1016820, 1140291, 1182524, 1186920, 1266990, 1355760, 1478155, 1520388, 1689320, 1773786, 1900485, 2027184, 2033640, 2280582, 2365048, 2373840, 2533980, 2660679, 2956310, 3040776, 3378640, 3547572, 3800970, 4067280, 4434465, 4561164, 4730096, 5067960, 5321358, 5701455, 5912620, 6081552, 7095144, 7601940, 7982037, 8868930, 9122328, 10135920, 10642716, 11402910, 11825240, 13303395, 14190288, 15203880, 15964074, 17737860, 18244656, 21285432, 22805820, 23650480, 26606790, 30407760, 31928148, 35475720, 39910185, 42570864, 45611640, 53213580, 63856296, 70951440, 79820370, 91223280, 106427160, 127712592, 159640740, 212854320, 319281480, 638562960]

約数ペア:

[(1, 638562960), (2, 319281480), (3, 212854320), (4, 159640740), (5, 127712592), (6, 106427160), (7, 91223280), (8, 79820370), (9, 70951440), (10, 63856296), (12, 53213580), (14, 45611640), (15, 42570864), (16, 39910185), (18, 35475720), (20, 31928148), (21, 30407760), (24, 26606790), (27, 23650480), (28, 22805820), (30, 21285432), (35, 18244656), (36, 17737860), (40, 15964074), (42, 15203880), (45, 14190288), (48, 13303395), (54, 11825240), (56, 11402910), (60, 10642716), (63, 10135920), (70, 9122328), (72, 8868930), (80, 7982037), (84, 7601940), (90, 7095144), (105, 6081552), (108, 5912620), (112, 5701455), (120, 5321358), (126, 5067960), (135, 4730096), (140, 4561164), (144, 4434465), (157, 4067280), (168, 3800970), (180, 3547572), (189, 3378640), (210, 3040776), (216, 2956310), (240, 2660679), (252, 2533980), (269, 2373840), (270, 2365048), (280, 2280582), (314, 2033640), (315, 2027184), (336, 1900485), (360, 1773786), (378, 1689320), (420, 1520388), (432, 1478155), (471, 1355760), (504, 1266990), (538, 1186920), (540, 1182524), (560, 1140291), (628, 1016820), (630, 1013592), (720, 886893), (756, 844660), (785, 813456), (807, 791280), (840, 760194), (942, 677880), (945, 675728), (1008, 633495), (1076, 593460), (1080, 591262), (1099, 581040), (1256, 508410), (1260, 506796), (1345, 474768), (1413, 451920), (1512, 422330), (1570, 406728), (1614, 395640), (1680, 380097), (1883, 339120), (1884, 338940), (1890, 337864), (2152, 296730), (2160, 295631), (2198, 290520), (2355, 271152), (2421, 263760), (2512, 254205), (2520, 253398), (2690, 237384), (2826, 225960), (3024, 211165), (3140, 203364), (3228, 197820), (3297, 193680), (3766, 169560), (3768, 169470), (3780, 168932), (4035, 158256), (4239, 150640), (4304, 148365), (4396, 145260), (4710, 135576), (4842, 131880), (5040, 126699), (5380, 118692), (5495, 116208), (5649, 113040), (5652, 112980), (6280, 101682), (6456, 98910), (6594, 96840), (7065, 90384), (7263, 87920), (7532, 84780), (7536, 84735), (7560, 84466), (8070, 79128), (8478, 75320), (8792, 72630), (9415, 67824), (9420, 67788), (9684, 65940), (9891, 64560), (10760, 59346), (10990, 58104), (11298, 56520), (11304, 56490), (12105, 52752), (12560, 50841), (12912, 49455), (13188, 48420), (14130, 45192), (14526, 43960), (15064, 42390), (15120, 42233), (16140, 39564), (16485, 38736), (16947, 37680), (16956, 37660), (17584, 36315), (18830, 33912), (18840, 33894), (19368, 32970), (19782, 32280), (21195, 30128), (21520, 29673), (21980, 29052), (22596, 28260), (22608, 28245), (24210, 26376)]