393758280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:689

約数の個数: 256

約数和(自身を含む): 1428480000

約数和(自身を除く): 1034721720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 228, 248, 270, 279, 285, 310, 342, 360, 372, 380, 456, 465, 513, 540, 558, 570, 589, 619, 620, 684, 744, 760, 837, 855, 930, 1026, 1080, 1116, 1140, 1178, 1238, 1240, 1368, 1395, 1674, 1710, 1767, 1857, 1860, 2052, 2232, 2280, 2356, 2476, 2565, 2790, 2945, 3095, 3348, 3420, 3534, 3714, 3720, 4104, 4185, 4712, 4952, 5130, 5301, 5571, 5580, 5890, 6190, 6696, 6840, 7068, 7428, 8370, 8835, 9285, 10260, 10602, 11142, 11160, 11761, 11780, 12380, 14136, 14856, 15903, 16713, 16740, 17670, 18570, 19189, 20520, 21204, 22284, 23522, 23560, 24760, 26505, 27855, 31806, 33426, 33480, 35283, 35340, 37140, 38378, 42408, 44568, 47044, 53010, 55710, 57567, 58805, 63612, 66852, 70566, 70680, 74280, 76756, 79515, 83565, 94088, 95945, 105849, 106020, 111420, 115134, 117610, 127224, 133704, 141132, 153512, 159030, 167130, 172701, 176415, 191890, 211698, 212040, 222840, 230268, 235220, 282264, 287835, 317547, 318060, 334260, 345402, 352830, 364591, 383780, 423396, 460536, 470440, 518103, 529245, 575670, 635094, 636120, 668520, 690804, 705660, 729182, 767560, 846792, 863505, 1036206, 1058490, 1093773, 1151340, 1270188, 1381608, 1411320, 1458364, 1587735, 1727010, 1822955, 2072412, 2116980, 2187546, 2302680, 2540376, 2590515, 2916728, 3175470, 3281319, 3454020, 3645910, 4144824, 4233960, 4375092, 5181030, 5468865, 6350940, 6562638, 6908040, 7291820, 8750184, 9843957, 10362060, 10937730, 12701880, 13125276, 14583640, 16406595, 19687914, 20724120, 21875460, 26250552, 32813190, 39375828, 43750920, 49219785, 65626380, 78751656, 98439570, 131252760, 196879140, 393758280]

約数ペア:

[(1, 393758280), (2, 196879140), (3, 131252760), (4, 98439570), (5, 78751656), (6, 65626380), (8, 49219785), (9, 43750920), (10, 39375828), (12, 32813190), (15, 26250552), (18, 21875460), (19, 20724120), (20, 19687914), (24, 16406595), (27, 14583640), (30, 13125276), (31, 12701880), (36, 10937730), (38, 10362060), (40, 9843957), (45, 8750184), (54, 7291820), (57, 6908040), (60, 6562638), (62, 6350940), (72, 5468865), (76, 5181030), (90, 4375092), (93, 4233960), (95, 4144824), (108, 3645910), (114, 3454020), (120, 3281319), (124, 3175470), (135, 2916728), (152, 2590515), (155, 2540376), (171, 2302680), (180, 2187546), (186, 2116980), (190, 2072412), (216, 1822955), (228, 1727010), (248, 1587735), (270, 1458364), (279, 1411320), (285, 1381608), (310, 1270188), (342, 1151340), (360, 1093773), (372, 1058490), (380, 1036206), (456, 863505), (465, 846792), (513, 767560), (540, 729182), (558, 705660), (570, 690804), (589, 668520), (619, 636120), (620, 635094), (684, 575670), (744, 529245), (760, 518103), (837, 470440), (855, 460536), (930, 423396), (1026, 383780), (1080, 364591), (1116, 352830), (1140, 345402), (1178, 334260), (1238, 318060), (1240, 317547), (1368, 287835), (1395, 282264), (1674, 235220), (1710, 230268), (1767, 222840), (1857, 212040), (1860, 211698), (2052, 191890), (2232, 176415), (2280, 172701), (2356, 167130), (2476, 159030), (2565, 153512), (2790, 141132), (2945, 133704), (3095, 127224), (3348, 117610), (3420, 115134), (3534, 111420), (3714, 106020), (3720, 105849), (4104, 95945), (4185, 94088), (4712, 83565), (4952, 79515), (5130, 76756), (5301, 74280), (5571, 70680), (5580, 70566), (5890, 66852), (6190, 63612), (6696, 58805), (6840, 57567), (7068, 55710), (7428, 53010), (8370, 47044), (8835, 44568), (9285, 42408), (10260, 38378), (10602, 37140), (11142, 35340), (11160, 35283), (11761, 33480), (11780, 33426), (12380, 31806), (14136, 27855), (14856, 26505), (15903, 24760), (16713, 23560), (16740, 23522), (17670, 22284), (18570, 21204), (19189, 20520)]