27863940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 84954240

約数和(自身を除く): 57090300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 257, 260, 278, 390, 417, 514, 556, 695, 771, 780, 834, 1028, 1285, 1390, 1542, 1668, 1807, 2085, 2570, 2780, 3084, 3341, 3614, 3855, 4170, 5140, 5421, 6682, 7228, 7710, 8340, 9035, 10023, 10842, 13364, 15420, 16705, 18070, 20046, 21684, 27105, 33410, 35723, 36140, 40092, 50115, 54210, 66820, 71446, 100230, 107169, 108420, 142892, 178615, 200460, 214338, 357230, 428676, 464399, 535845, 714460, 928798, 1071690, 1393197, 1857596, 2143380, 2321995, 2786394, 4643990, 5572788, 6965985, 9287980, 13931970, 27863940]

約数ペア:

[(1, 27863940), (2, 13931970), (3, 9287980), (4, 6965985), (5, 5572788), (6, 4643990), (10, 2786394), (12, 2321995), (13, 2143380), (15, 1857596), (20, 1393197), (26, 1071690), (30, 928798), (39, 714460), (52, 535845), (60, 464399), (65, 428676), (78, 357230), (130, 214338), (139, 200460), (156, 178615), (195, 142892), (257, 108420), (260, 107169), (278, 100230), (390, 71446), (417, 66820), (514, 54210), (556, 50115), (695, 40092), (771, 36140), (780, 35723), (834, 33410), (1028, 27105), (1285, 21684), (1390, 20046), (1542, 18070), (1668, 16705), (1807, 15420), (2085, 13364), (2570, 10842), (2780, 10023), (3084, 9035), (3341, 8340), (3614, 7710), (3855, 7228), (4170, 6682), (5140, 5421)]