2443740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 7440048

約数和(自身を除く): 4996308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 241, 260, 338, 390, 482, 507, 676, 723, 780, 845, 964, 1014, 1205, 1446, 1690, 2028, 2410, 2535, 2892, 3133, 3380, 3615, 4820, 5070, 6266, 7230, 9399, 10140, 12532, 14460, 15665, 18798, 31330, 37596, 40729, 46995, 62660, 81458, 93990, 122187, 162916, 187980, 203645, 244374, 407290, 488748, 610935, 814580, 1221870, 2443740]

約数ペア:

[(1, 2443740), (2, 1221870), (3, 814580), (4, 610935), (5, 488748), (6, 407290), (10, 244374), (12, 203645), (13, 187980), (15, 162916), (20, 122187), (26, 93990), (30, 81458), (39, 62660), (52, 46995), (60, 40729), (65, 37596), (78, 31330), (130, 18798), (156, 15665), (169, 14460), (195, 12532), (241, 10140), (260, 9399), (338, 7230), (390, 6266), (482, 5070), (507, 4820), (676, 3615), (723, 3380), (780, 3133), (845, 2892), (964, 2535), (1014, 2410), (1205, 2028), (1446, 1690)]