7806420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 24460800

約数和(自身を除く): 16654380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1399, 1860, 2790, 2798, 4197, 5580, 5596, 6995, 8394, 12591, 13990, 16788, 20985, 25182, 27980, 41970, 43369, 50364, 62955, 83940, 86738, 125910, 130107, 173476, 216845, 251820, 260214, 390321, 433690, 520428, 650535, 780642, 867380, 1301070, 1561284, 1951605, 2602140, 3903210, 7806420]

約数ペア:

[(1, 7806420), (2, 3903210), (3, 2602140), (4, 1951605), (5, 1561284), (6, 1301070), (9, 867380), (10, 780642), (12, 650535), (15, 520428), (18, 433690), (20, 390321), (30, 260214), (31, 251820), (36, 216845), (45, 173476), (60, 130107), (62, 125910), (90, 86738), (93, 83940), (124, 62955), (155, 50364), (180, 43369), (186, 41970), (279, 27980), (310, 25182), (372, 20985), (465, 16788), (558, 13990), (620, 12591), (930, 8394), (1116, 6995), (1395, 5596), (1399, 5580), (1860, 4197), (2790, 2798)]