621815220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20441}}^1$

素因数の和:20482

約数の個数: 108

約数和(自身を含む): 2042523756

約数和(自身を除く): 1420708536

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7605, 10140, 15210, 20441, 30420, 40882, 61323, 81764, 102205, 122646, 183969, 204410, 245292, 265733, 306615, 367938, 408820, 531466, 613230, 735876, 797199, 919845, 1062932, 1226460, 1328665, 1594398, 1839690, 2391597, 2657330, 3188796, 3454529, 3679380, 3985995, 4783194, 5314660, 6909058, 7971990, 9566388, 10363587, 11957985, 13818116, 15943980, 17272645, 20727174, 23915970, 31090761, 34545290, 41454348, 47831940, 51817935, 62181522, 69090580, 103635870, 124363044, 155453805, 207271740, 310907610, 621815220]

約数ペア:

[(1, 621815220), (2, 310907610), (3, 207271740), (4, 155453805), (5, 124363044), (6, 103635870), (9, 69090580), (10, 62181522), (12, 51817935), (13, 47831940), (15, 41454348), (18, 34545290), (20, 31090761), (26, 23915970), (30, 20727174), (36, 17272645), (39, 15943980), (45, 13818116), (52, 11957985), (60, 10363587), (65, 9566388), (78, 7971990), (90, 6909058), (117, 5314660), (130, 4783194), (156, 3985995), (169, 3679380), (180, 3454529), (195, 3188796), (234, 2657330), (260, 2391597), (338, 1839690), (390, 1594398), (468, 1328665), (507, 1226460), (585, 1062932), (676, 919845), (780, 797199), (845, 735876), (1014, 613230), (1170, 531466), (1521, 408820), (1690, 367938), (2028, 306615), (2340, 265733), (2535, 245292), (3042, 204410), (3380, 183969), (5070, 122646), (6084, 102205), (7605, 81764), (10140, 61323), (15210, 40882), (20441, 30420)]