289324880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 160

約数和(自身を含む): 767763360

約数和(自身を除く): 478438480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 53, 58, 65, 80, 104, 106, 116, 130, 145, 181, 208, 212, 232, 260, 265, 290, 362, 377, 424, 464, 520, 530, 580, 689, 724, 754, 848, 905, 1040, 1060, 1160, 1378, 1448, 1508, 1537, 1810, 1885, 2120, 2320, 2353, 2756, 2896, 3016, 3074, 3445, 3620, 3770, 4240, 4706, 5249, 5512, 6032, 6148, 6890, 7240, 7540, 7685, 9412, 9593, 10498, 11024, 11765, 12296, 13780, 14480, 15080, 15370, 18824, 19186, 19981, 20996, 23530, 24592, 26245, 27560, 30160, 30740, 37648, 38372, 39962, 41992, 47060, 47965, 52490, 55120, 61480, 68237, 76744, 79924, 83984, 94120, 95930, 99905, 104980, 122960, 124709, 136474, 153488, 159848, 188240, 191860, 199810, 209960, 249418, 272948, 278197, 319696, 341185, 383720, 399620, 419920, 498836, 545896, 556394, 623545, 682370, 767440, 799240, 997672, 1091792, 1112788, 1247090, 1364740, 1390985, 1598480, 1995344, 2225576, 2494180, 2729480, 2781970, 3616561, 4451152, 4988360, 5458960, 5563940, 7233122, 9976720, 11127880, 14466244, 18082805, 22255760, 28932488, 36165610, 57864976, 72331220, 144662440, 289324880]

約数ペア:

[(1, 289324880), (2, 144662440), (4, 72331220), (5, 57864976), (8, 36165610), (10, 28932488), (13, 22255760), (16, 18082805), (20, 14466244), (26, 11127880), (29, 9976720), (40, 7233122), (52, 5563940), (53, 5458960), (58, 4988360), (65, 4451152), (80, 3616561), (104, 2781970), (106, 2729480), (116, 2494180), (130, 2225576), (145, 1995344), (181, 1598480), (208, 1390985), (212, 1364740), (232, 1247090), (260, 1112788), (265, 1091792), (290, 997672), (362, 799240), (377, 767440), (424, 682370), (464, 623545), (520, 556394), (530, 545896), (580, 498836), (689, 419920), (724, 399620), (754, 383720), (848, 341185), (905, 319696), (1040, 278197), (1060, 272948), (1160, 249418), (1378, 209960), (1448, 199810), (1508, 191860), (1537, 188240), (1810, 159848), (1885, 153488), (2120, 136474), (2320, 124709), (2353, 122960), (2756, 104980), (2896, 99905), (3016, 95930), (3074, 94120), (3445, 83984), (3620, 79924), (3770, 76744), (4240, 68237), (4706, 61480), (5249, 55120), (5512, 52490), (6032, 47965), (6148, 47060), (6890, 41992), (7240, 39962), (7540, 38372), (7685, 37648), (9412, 30740), (9593, 30160), (10498, 27560), (11024, 26245), (11765, 24592), (12296, 23530), (13780, 20996), (14480, 19981), (15080, 19186), (15370, 18824)]