2807220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 8749440

約数和(自身を除く): 5942220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 61, 65, 78, 118, 122, 130, 156, 177, 183, 195, 236, 244, 260, 295, 305, 354, 366, 390, 590, 610, 708, 732, 767, 780, 793, 885, 915, 1180, 1220, 1534, 1586, 1770, 1830, 2301, 2379, 3068, 3172, 3540, 3599, 3660, 3835, 3965, 4602, 4758, 7198, 7670, 7930, 9204, 9516, 10797, 11505, 11895, 14396, 15340, 15860, 17995, 21594, 23010, 23790, 35990, 43188, 46020, 46787, 47580, 53985, 71980, 93574, 107970, 140361, 187148, 215940, 233935, 280722, 467870, 561444, 701805, 935740, 1403610, 2807220]

約数ペア:

[(1, 2807220), (2, 1403610), (3, 935740), (4, 701805), (5, 561444), (6, 467870), (10, 280722), (12, 233935), (13, 215940), (15, 187148), (20, 140361), (26, 107970), (30, 93574), (39, 71980), (52, 53985), (59, 47580), (60, 46787), (61, 46020), (65, 43188), (78, 35990), (118, 23790), (122, 23010), (130, 21594), (156, 17995), (177, 15860), (183, 15340), (195, 14396), (236, 11895), (244, 11505), (260, 10797), (295, 9516), (305, 9204), (354, 7930), (366, 7670), (390, 7198), (590, 4758), (610, 4602), (708, 3965), (732, 3835), (767, 3660), (780, 3599), (793, 3540), (885, 3172), (915, 3068), (1180, 2379), (1220, 2301), (1534, 1830), (1586, 1770)]