128409840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 320

約数和(自身を含む): 506217600

約数和(自身を除く): 377807760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 170, 180, 195, 204, 208, 216, 221, 234, 240, 255, 260, 269, 270, 272, 306, 312, 340, 351, 360, 390, 408, 432, 442, 459, 468, 510, 520, 538, 540, 585, 612, 624, 663, 680, 702, 720, 765, 780, 807, 816, 884, 918, 936, 1020, 1040, 1076, 1080, 1105, 1170, 1224, 1326, 1345, 1360, 1404, 1530, 1560, 1614, 1755, 1768, 1836, 1872, 1989, 2040, 2152, 2160, 2210, 2295, 2340, 2421, 2448, 2652, 2690, 2808, 3060, 3120, 3228, 3315, 3497, 3510, 3536, 3672, 3978, 4035, 4080, 4304, 4420, 4573, 4590, 4680, 4842, 5304, 5380, 5616, 5967, 6120, 6456, 6630, 6994, 7020, 7263, 7344, 7956, 8070, 8840, 9146, 9180, 9360, 9684, 9945, 10491, 10608, 10760, 11934, 12105, 12240, 12912, 13260, 13719, 13988, 14040, 14526, 15912, 16140, 17485, 17680, 18292, 18360, 19368, 19890, 20982, 21520, 22865, 23868, 24210, 26520, 27438, 27976, 28080, 29052, 29835, 31473, 31824, 32280, 34970, 36315, 36584, 36720, 38736, 39780, 41157, 41964, 45730, 47736, 48420, 52455, 53040, 54876, 55952, 58104, 59449, 59670, 62946, 64560, 68595, 69940, 72630, 73168, 79560, 82314, 83928, 91460, 94419, 95472, 96840, 104910, 109752, 116208, 118898, 119340, 123471, 125892, 137190, 139880, 145260, 157365, 159120, 164628, 167856, 178347, 182920, 188838, 193680, 205785, 209820, 219504, 237796, 238680, 246942, 251784, 274380, 279760, 290520, 297245, 314730, 329256, 356694, 365840, 377676, 411570, 419640, 472095, 475592, 477360, 493884, 503568, 535041, 548760, 581040, 594490, 617355, 629460, 658512, 713388, 755352, 823140, 839280, 891735, 944190, 951184, 987768, 1070082, 1097520, 1188980, 1234710, 1258920, 1426776, 1510704, 1605123, 1646280, 1783470, 1888380, 1975536, 2140164, 2377960, 2469420, 2517840, 2675205, 2853552, 3210246, 3292560, 3566940, 3776760, 4280328, 4755920, 4938840, 5350410, 6420492, 7133880, 7553520, 8025615, 8560656, 9877680, 10700820, 12840984, 14267760, 16051230, 21401640, 25681968, 32102460, 42803280, 64204920, 128409840]

約数ペア:

[(1, 128409840), (2, 64204920), (3, 42803280), (4, 32102460), (5, 25681968), (6, 21401640), (8, 16051230), (9, 14267760), (10, 12840984), (12, 10700820), (13, 9877680), (15, 8560656), (16, 8025615), (17, 7553520), (18, 7133880), (20, 6420492), (24, 5350410), (26, 4938840), (27, 4755920), (30, 4280328), (34, 3776760), (36, 3566940), (39, 3292560), (40, 3210246), (45, 2853552), (48, 2675205), (51, 2517840), (52, 2469420), (54, 2377960), (60, 2140164), (65, 1975536), (68, 1888380), (72, 1783470), (78, 1646280), (80, 1605123), (85, 1510704), (90, 1426776), (102, 1258920), (104, 1234710), (108, 1188980), (117, 1097520), (120, 1070082), (130, 987768), (135, 951184), (136, 944190), (144, 891735), (153, 839280), (156, 823140), (170, 755352), (180, 713388), (195, 658512), (204, 629460), (208, 617355), (216, 594490), (221, 581040), (234, 548760), (240, 535041), (255, 503568), (260, 493884), (269, 477360), (270, 475592), (272, 472095), (306, 419640), (312, 411570), (340, 377676), (351, 365840), (360, 356694), (390, 329256), (408, 314730), (432, 297245), (442, 290520), (459, 279760), (468, 274380), (510, 251784), (520, 246942), (538, 238680), (540, 237796), (585, 219504), (612, 209820), (624, 205785), (663, 193680), (680, 188838), (702, 182920), (720, 178347), (765, 167856), (780, 164628), (807, 159120), (816, 157365), (884, 145260), (918, 139880), (936, 137190), (1020, 125892), (1040, 123471), (1076, 119340), (1080, 118898), (1105, 116208), (1170, 109752), (1224, 104910), (1326, 96840), (1345, 95472), (1360, 94419), (1404, 91460), (1530, 83928), (1560, 82314), (1614, 79560), (1755, 73168), (1768, 72630), (1836, 69940), (1872, 68595), (1989, 64560), (2040, 62946), (2152, 59670), (2160, 59449), (2210, 58104), (2295, 55952), (2340, 54876), (2421, 53040), (2448, 52455), (2652, 48420), (2690, 47736), (2808, 45730), (3060, 41964), (3120, 41157), (3228, 39780), (3315, 38736), (3497, 36720), (3510, 36584), (3536, 36315), (3672, 34970), (3978, 32280), (4035, 31824), (4080, 31473), (4304, 29835), (4420, 29052), (4573, 28080), (4590, 27976), (4680, 27438), (4842, 26520), (5304, 24210), (5380, 23868), (5616, 22865), (5967, 21520), (6120, 20982), (6456, 19890), (6630, 19368), (6994, 18360), (7020, 18292), (7263, 17680), (7344, 17485), (7956, 16140), (8070, 15912), (8840, 14526), (9146, 14040), (9180, 13988), (9360, 13719), (9684, 13260), (9945, 12912), (10491, 12240), (10608, 12105), (10760, 11934)]