7817940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 108

約数和(自身を含む): 25778844

約数和(自身を除く): 17960904

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 257, 260, 338, 390, 468, 507, 514, 585, 676, 771, 780, 845, 1014, 1028, 1170, 1285, 1521, 1542, 1690, 2028, 2313, 2340, 2535, 2570, 3042, 3084, 3341, 3380, 3855, 4626, 5070, 5140, 6084, 6682, 7605, 7710, 9252, 10023, 10140, 11565, 13364, 15210, 15420, 16705, 20046, 23130, 30069, 30420, 33410, 40092, 43433, 46260, 50115, 60138, 66820, 86866, 100230, 120276, 130299, 150345, 173732, 200460, 217165, 260598, 300690, 390897, 434330, 521196, 601380, 651495, 781794, 868660, 1302990, 1563588, 1954485, 2605980, 3908970, 7817940]

約数ペア:

[(1, 7817940), (2, 3908970), (3, 2605980), (4, 1954485), (5, 1563588), (6, 1302990), (9, 868660), (10, 781794), (12, 651495), (13, 601380), (15, 521196), (18, 434330), (20, 390897), (26, 300690), (30, 260598), (36, 217165), (39, 200460), (45, 173732), (52, 150345), (60, 130299), (65, 120276), (78, 100230), (90, 86866), (117, 66820), (130, 60138), (156, 50115), (169, 46260), (180, 43433), (195, 40092), (234, 33410), (257, 30420), (260, 30069), (338, 23130), (390, 20046), (468, 16705), (507, 15420), (514, 15210), (585, 13364), (676, 11565), (771, 10140), (780, 10023), (845, 9252), (1014, 7710), (1028, 7605), (1170, 6682), (1285, 6084), (1521, 5140), (1542, 5070), (1690, 4626), (2028, 3855), (2313, 3380), (2340, 3341), (2535, 3084), (2570, 3042)]