1221870

素因数分解:

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

素因数の和:277

約数の個数: 48

約数和(自身を含む): 3188592

約数和(自身を除く): 1966722

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 241, 338, 390, 482, 507, 723, 845, 1014, 1205, 1446, 1690, 2410, 2535, 3133, 3615, 5070, 6266, 7230, 9399, 15665, 18798, 31330, 40729, 46995, 81458, 93990, 122187, 203645, 244374, 407290, 610935, 1221870]

約数ペア:

[(1, 1221870), (2, 610935), (3, 407290), (5, 244374), (6, 203645), (10, 122187), (13, 93990), (15, 81458), (26, 46995), (30, 40729), (39, 31330), (65, 18798), (78, 15665), (130, 9399), (169, 7230), (195, 6266), (241, 5070), (338, 3615), (390, 3133), (482, 2535), (507, 2410), (723, 1690), (845, 1446), (1014, 1205)]