1379820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 4374720

約数和(自身を除く): 2994900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 61, 65, 78, 87, 116, 122, 130, 145, 156, 174, 183, 195, 244, 260, 290, 305, 348, 366, 377, 390, 435, 580, 610, 732, 754, 780, 793, 870, 915, 1131, 1220, 1508, 1586, 1740, 1769, 1830, 1885, 2262, 2379, 3172, 3538, 3660, 3770, 3965, 4524, 4758, 5307, 5655, 7076, 7540, 7930, 8845, 9516, 10614, 11310, 11895, 15860, 17690, 21228, 22620, 22997, 23790, 26535, 35380, 45994, 47580, 53070, 68991, 91988, 106140, 114985, 137982, 229970, 275964, 344955, 459940, 689910, 1379820]

約数ペア:

[(1, 1379820), (2, 689910), (3, 459940), (4, 344955), (5, 275964), (6, 229970), (10, 137982), (12, 114985), (13, 106140), (15, 91988), (20, 68991), (26, 53070), (29, 47580), (30, 45994), (39, 35380), (52, 26535), (58, 23790), (60, 22997), (61, 22620), (65, 21228), (78, 17690), (87, 15860), (116, 11895), (122, 11310), (130, 10614), (145, 9516), (156, 8845), (174, 7930), (183, 7540), (195, 7076), (244, 5655), (260, 5307), (290, 4758), (305, 4524), (348, 3965), (366, 3770), (377, 3660), (390, 3538), (435, 3172), (580, 2379), (610, 2262), (732, 1885), (754, 1830), (780, 1769), (793, 1740), (870, 1586), (915, 1508), (1131, 1220)]