220271220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 144

約数和(自身を含む): 725109840

約数和(自身を除く): 504838620

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, 557, 585, 676, 780, 845, 1014, 1114, 1170, 1521, 1671, 1690, 2028, 2197, 2228, 2340, 2535, 2785, 3042, 3342, 3380, 4394, 5013, 5070, 5570, 6084, 6591, 6684, 7241, 7605, 8355, 8788, 10026, 10140, 10985, 11140, 13182, 14482, 15210, 16710, 19773, 20052, 21723, 21970, 25065, 26364, 28964, 30420, 32955, 33420, 36205, 39546, 43446, 43940, 50130, 65169, 65910, 72410, 79092, 86892, 94133, 98865, 100260, 108615, 130338, 131820, 144820, 188266, 197730, 217230, 260676, 282399, 325845, 376532, 395460, 434460, 470665, 564798, 651690, 847197, 941330, 1129596, 1223729, 1303380, 1411995, 1694394, 1882660, 2447458, 2823990, 3388788, 3671187, 4235985, 4894916, 5647980, 6118645, 7342374, 8471970, 11013561, 12237290, 14684748, 16943940, 18355935, 22027122, 24474580, 36711870, 44054244, 55067805, 73423740, 110135610, 220271220]

約数ペア:

[(1, 220271220), (2, 110135610), (3, 73423740), (4, 55067805), (5, 44054244), (6, 36711870), (9, 24474580), (10, 22027122), (12, 18355935), (13, 16943940), (15, 14684748), (18, 12237290), (20, 11013561), (26, 8471970), (30, 7342374), (36, 6118645), (39, 5647980), (45, 4894916), (52, 4235985), (60, 3671187), (65, 3388788), (78, 2823990), (90, 2447458), (117, 1882660), (130, 1694394), (156, 1411995), (169, 1303380), (180, 1223729), (195, 1129596), (234, 941330), (260, 847197), (338, 651690), (390, 564798), (468, 470665), (507, 434460), (557, 395460), (585, 376532), (676, 325845), (780, 282399), (845, 260676), (1014, 217230), (1114, 197730), (1170, 188266), (1521, 144820), (1671, 131820), (1690, 130338), (2028, 108615), (2197, 100260), (2228, 98865), (2340, 94133), (2535, 86892), (2785, 79092), (3042, 72410), (3342, 65910), (3380, 65169), (4394, 50130), (5013, 43940), (5070, 43446), (5570, 39546), (6084, 36205), (6591, 33420), (6684, 32955), (7241, 30420), (7605, 28964), (8355, 26364), (8788, 25065), (10026, 21970), (10140, 21723), (10985, 20052), (11140, 19773), (13182, 16710), (14482, 15210)]