445039920

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:631

約数の個数: 280

約数和(自身を含む): 1673549136

約数和(自身を除く): 1228509216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 587, 624, 648, 702, 720, 729, 780, 810, 936, 972, 1040, 1053, 1080, 1170, 1174, 1215, 1296, 1404, 1458, 1560, 1620, 1755, 1761, 1872, 1944, 2106, 2160, 2340, 2348, 2430, 2808, 2916, 2935, 3120, 3159, 3240, 3510, 3522, 3645, 3888, 4212, 4680, 4696, 4860, 5265, 5283, 5616, 5832, 5870, 6318, 6480, 7020, 7044, 7290, 7631, 8424, 8805, 9360, 9392, 9477, 9720, 10530, 10566, 11664, 11740, 12636, 14040, 14088, 14580, 15262, 15795, 15849, 16848, 17610, 18954, 19440, 21060, 21132, 22893, 23480, 25272, 26415, 28080, 28176, 29160, 30524, 31590, 31698, 35220, 37908, 38155, 42120, 42264, 45786, 46960, 47385, 47547, 50544, 52830, 58320, 61048, 63180, 63396, 68679, 70440, 75816, 76310, 79245, 84240, 84528, 91572, 94770, 95094, 105660, 114465, 122096, 126360, 126792, 137358, 140880, 142641, 151632, 152620, 158490, 183144, 189540, 190188, 206037, 211320, 228930, 237735, 252720, 253584, 274716, 285282, 305240, 316980, 343395, 366288, 379080, 380376, 412074, 422640, 427923, 457860, 475470, 549432, 570564, 610480, 618111, 633960, 686790, 713205, 758160, 760752, 824148, 855846, 915720, 950940, 1030185, 1098864, 1141128, 1236222, 1267920, 1373580, 1426410, 1648296, 1711692, 1831440, 1854333, 1901880, 2060370, 2139615, 2282256, 2472444, 2747160, 2852820, 3090555, 3296592, 3423384, 3708666, 3803760, 4120740, 4279230, 4944888, 5494320, 5562999, 5705640, 6181110, 6846768, 7417332, 8241480, 8558460, 9271665, 9889776, 11125998, 11411280, 12362220, 14834664, 16482960, 17116920, 18543330, 22251996, 24724440, 27814995, 29669328, 34233840, 37086660, 44503992, 49448880, 55629990, 74173320, 89007984, 111259980, 148346640, 222519960, 445039920]

約数ペア:

[(1, 445039920), (2, 222519960), (3, 148346640), (4, 111259980), (5, 89007984), (6, 74173320), (8, 55629990), (9, 49448880), (10, 44503992), (12, 37086660), (13, 34233840), (15, 29669328), (16, 27814995), (18, 24724440), (20, 22251996), (24, 18543330), (26, 17116920), (27, 16482960), (30, 14834664), (36, 12362220), (39, 11411280), (40, 11125998), (45, 9889776), (48, 9271665), (52, 8558460), (54, 8241480), (60, 7417332), (65, 6846768), (72, 6181110), (78, 5705640), (80, 5562999), (81, 5494320), (90, 4944888), (104, 4279230), (108, 4120740), (117, 3803760), (120, 3708666), (130, 3423384), (135, 3296592), (144, 3090555), (156, 2852820), (162, 2747160), (180, 2472444), (195, 2282256), (208, 2139615), (216, 2060370), (234, 1901880), (240, 1854333), (243, 1831440), (260, 1711692), (270, 1648296), (312, 1426410), (324, 1373580), (351, 1267920), (360, 1236222), (390, 1141128), (405, 1098864), (432, 1030185), (468, 950940), (486, 915720), (520, 855846), (540, 824148), (585, 760752), (587, 758160), (624, 713205), (648, 686790), (702, 633960), (720, 618111), (729, 610480), (780, 570564), (810, 549432), (936, 475470), (972, 457860), (1040, 427923), (1053, 422640), (1080, 412074), (1170, 380376), (1174, 379080), (1215, 366288), (1296, 343395), (1404, 316980), (1458, 305240), (1560, 285282), (1620, 274716), (1755, 253584), (1761, 252720), (1872, 237735), (1944, 228930), (2106, 211320), (2160, 206037), (2340, 190188), (2348, 189540), (2430, 183144), (2808, 158490), (2916, 152620), (2935, 151632), (3120, 142641), (3159, 140880), (3240, 137358), (3510, 126792), (3522, 126360), (3645, 122096), (3888, 114465), (4212, 105660), (4680, 95094), (4696, 94770), (4860, 91572), (5265, 84528), (5283, 84240), (5616, 79245), (5832, 76310), (5870, 75816), (6318, 70440), (6480, 68679), (7020, 63396), (7044, 63180), (7290, 61048), (7631, 58320), (8424, 52830), (8805, 50544), (9360, 47547), (9392, 47385), (9477, 46960), (9720, 45786), (10530, 42264), (10566, 42120), (11664, 38155), (11740, 37908), (12636, 35220), (14040, 31698), (14088, 31590), (14580, 30524), (15262, 29160), (15795, 28176), (15849, 28080), (16848, 26415), (17610, 25272), (18954, 23480), (19440, 22893), (21060, 21132)]