280221480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{919}}^1$

素因数の和:965

約数の個数: 288

約数和(自身を含む): 1145289600

約数和(自身を除く): 865068120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 242, 252, 264, 280, 308, 315, 330, 360, 363, 385, 396, 420, 440, 462, 484, 495, 504, 605, 616, 630, 660, 693, 726, 770, 792, 840, 847, 919, 924, 968, 990, 1089, 1155, 1210, 1260, 1320, 1386, 1452, 1540, 1694, 1815, 1838, 1848, 1980, 2178, 2310, 2420, 2520, 2541, 2757, 2772, 2904, 3080, 3388, 3465, 3630, 3676, 3960, 4235, 4356, 4595, 4620, 4840, 5082, 5445, 5514, 5544, 6433, 6776, 6930, 7260, 7352, 7623, 8271, 8470, 8712, 9190, 9240, 10109, 10164, 10890, 11028, 12705, 12866, 13785, 13860, 14520, 15246, 16542, 16940, 18380, 19299, 20218, 20328, 21780, 22056, 25410, 25732, 27570, 27720, 30327, 30492, 32165, 33084, 33880, 36760, 38115, 38598, 40436, 41355, 43560, 50545, 50820, 51464, 55140, 57897, 60654, 60984, 64330, 66168, 70763, 76230, 77196, 80872, 82710, 90981, 96495, 101090, 101640, 110280, 111199, 115794, 121308, 128660, 141526, 151635, 152460, 154392, 165420, 181962, 192990, 202180, 212289, 222398, 231588, 242616, 257320, 283052, 289485, 303270, 304920, 330840, 333597, 353815, 363924, 385980, 404360, 424578, 444796, 454905, 463176, 555995, 566104, 578970, 606540, 636867, 667194, 707630, 727848, 771960, 778393, 849156, 889592, 909810, 1000791, 1061445, 1111990, 1157940, 1213080, 1273734, 1334388, 1415260, 1556786, 1667985, 1698312, 1819620, 2001582, 2122890, 2223980, 2315880, 2335179, 2547468, 2668776, 2830520, 3113572, 3184335, 3335970, 3639240, 3891965, 4003164, 4245780, 4447960, 4670358, 5003955, 5094936, 6227144, 6368670, 6671940, 7005537, 7783930, 8006328, 8491560, 9340716, 10007910, 11675895, 12737340, 13343880, 14011074, 15567860, 18681432, 20015820, 23351790, 25474680, 28022148, 31135720, 35027685, 40031640, 46703580, 56044296, 70055370, 93407160, 140110740, 280221480]

約数ペア:

[(1, 280221480), (2, 140110740), (3, 93407160), (4, 70055370), (5, 56044296), (6, 46703580), (7, 40031640), (8, 35027685), (9, 31135720), (10, 28022148), (11, 25474680), (12, 23351790), (14, 20015820), (15, 18681432), (18, 15567860), (20, 14011074), (21, 13343880), (22, 12737340), (24, 11675895), (28, 10007910), (30, 9340716), (33, 8491560), (35, 8006328), (36, 7783930), (40, 7005537), (42, 6671940), (44, 6368670), (45, 6227144), (55, 5094936), (56, 5003955), (60, 4670358), (63, 4447960), (66, 4245780), (70, 4003164), (72, 3891965), (77, 3639240), (84, 3335970), (88, 3184335), (90, 3113572), (99, 2830520), (105, 2668776), (110, 2547468), (120, 2335179), (121, 2315880), (126, 2223980), (132, 2122890), (140, 2001582), (154, 1819620), (165, 1698312), (168, 1667985), (180, 1556786), (198, 1415260), (210, 1334388), (220, 1273734), (231, 1213080), (242, 1157940), (252, 1111990), (264, 1061445), (280, 1000791), (308, 909810), (315, 889592), (330, 849156), (360, 778393), (363, 771960), (385, 727848), (396, 707630), (420, 667194), (440, 636867), (462, 606540), (484, 578970), (495, 566104), (504, 555995), (605, 463176), (616, 454905), (630, 444796), (660, 424578), (693, 404360), (726, 385980), (770, 363924), (792, 353815), (840, 333597), (847, 330840), (919, 304920), (924, 303270), (968, 289485), (990, 283052), (1089, 257320), (1155, 242616), (1210, 231588), (1260, 222398), (1320, 212289), (1386, 202180), (1452, 192990), (1540, 181962), (1694, 165420), (1815, 154392), (1838, 152460), (1848, 151635), (1980, 141526), (2178, 128660), (2310, 121308), (2420, 115794), (2520, 111199), (2541, 110280), (2757, 101640), (2772, 101090), (2904, 96495), (3080, 90981), (3388, 82710), (3465, 80872), (3630, 77196), (3676, 76230), (3960, 70763), (4235, 66168), (4356, 64330), (4595, 60984), (4620, 60654), (4840, 57897), (5082, 55140), (5445, 51464), (5514, 50820), (5544, 50545), (6433, 43560), (6776, 41355), (6930, 40436), (7260, 38598), (7352, 38115), (7623, 36760), (8271, 33880), (8470, 33084), (8712, 32165), (9190, 30492), (9240, 30327), (10109, 27720), (10164, 27570), (10890, 25732), (11028, 25410), (12705, 22056), (12866, 21780), (13785, 20328), (13860, 20218), (14520, 19299), (15246, 18380), (16542, 16940)]