1404780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 4238304

約数和(自身を除く): 2833524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1801, 3602, 5403, 7204, 9005, 10806, 18010, 21612, 23413, 27015, 36020, 46826, 54030, 70239, 93652, 108060, 117065, 140478, 234130, 280956, 351195, 468260, 702390, 1404780]

約数ペア:

[(1, 1404780), (2, 702390), (3, 468260), (4, 351195), (5, 280956), (6, 234130), (10, 140478), (12, 117065), (13, 108060), (15, 93652), (20, 70239), (26, 54030), (30, 46826), (39, 36020), (52, 27015), (60, 23413), (65, 21612), (78, 18010), (130, 10806), (156, 9005), (195, 7204), (260, 5403), (390, 3602), (780, 1801)]