1427660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 3610320

約数和(自身を除く): 2182660

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 289, 323, 340, 380, 442, 494, 578, 646, 884, 988, 1105, 1156, 1235, 1292, 1445, 1615, 2210, 2470, 2890, 3230, 3757, 4199, 4420, 4940, 5491, 5780, 6460, 7514, 8398, 10982, 15028, 16796, 18785, 20995, 21964, 27455, 37570, 41990, 54910, 71383, 75140, 83980, 109820, 142766, 285532, 356915, 713830, 1427660]

約数ペア:

[(1, 1427660), (2, 713830), (4, 356915), (5, 285532), (10, 142766), (13, 109820), (17, 83980), (19, 75140), (20, 71383), (26, 54910), (34, 41990), (38, 37570), (52, 27455), (65, 21964), (68, 20995), (76, 18785), (85, 16796), (95, 15028), (130, 10982), (170, 8398), (190, 7514), (221, 6460), (247, 5780), (260, 5491), (289, 4940), (323, 4420), (340, 4199), (380, 3757), (442, 3230), (494, 2890), (578, 2470), (646, 2210), (884, 1615), (988, 1445), (1105, 1292), (1156, 1235)]