19758960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2143

約数の個数: 120

約数和(自身を含む): 71495424

約数和(自身を除く): 51736464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2111, 2340, 3120, 4222, 4680, 6333, 8444, 9360, 10555, 12666, 16888, 18999, 21110, 25332, 27443, 31665, 33776, 37998, 42220, 50664, 54886, 63330, 75996, 82329, 84440, 94995, 101328, 109772, 126660, 137215, 151992, 164658, 168880, 189990, 219544, 246987, 253320, 274430, 303984, 329316, 379980, 411645, 439088, 493974, 506640, 548860, 658632, 759960, 823290, 987948, 1097720, 1234935, 1317264, 1519920, 1646580, 1975896, 2195440, 2469870, 3293160, 3951792, 4939740, 6586320, 9879480, 19758960]

約数ペア:

[(1, 19758960), (2, 9879480), (3, 6586320), (4, 4939740), (5, 3951792), (6, 3293160), (8, 2469870), (9, 2195440), (10, 1975896), (12, 1646580), (13, 1519920), (15, 1317264), (16, 1234935), (18, 1097720), (20, 987948), (24, 823290), (26, 759960), (30, 658632), (36, 548860), (39, 506640), (40, 493974), (45, 439088), (48, 411645), (52, 379980), (60, 329316), (65, 303984), (72, 274430), (78, 253320), (80, 246987), (90, 219544), (104, 189990), (117, 168880), (120, 164658), (130, 151992), (144, 137215), (156, 126660), (180, 109772), (195, 101328), (208, 94995), (234, 84440), (240, 82329), (260, 75996), (312, 63330), (360, 54886), (390, 50664), (468, 42220), (520, 37998), (585, 33776), (624, 31665), (720, 27443), (780, 25332), (936, 21110), (1040, 18999), (1170, 16888), (1560, 12666), (1872, 10555), (2111, 9360), (2340, 8444), (3120, 6333), (4222, 4680)]