1689090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 4499712

約数和(自身を除く): 2810622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 71, 78, 122, 130, 142, 183, 195, 213, 305, 355, 366, 390, 426, 610, 710, 793, 915, 923, 1065, 1586, 1830, 1846, 2130, 2379, 2769, 3965, 4331, 4615, 4758, 5538, 7930, 8662, 9230, 11895, 12993, 13845, 21655, 23790, 25986, 27690, 43310, 56303, 64965, 112606, 129930, 168909, 281515, 337818, 563030, 844545, 1689090]

約数ペア:

[(1, 1689090), (2, 844545), (3, 563030), (5, 337818), (6, 281515), (10, 168909), (13, 129930), (15, 112606), (26, 64965), (30, 56303), (39, 43310), (61, 27690), (65, 25986), (71, 23790), (78, 21655), (122, 13845), (130, 12993), (142, 11895), (183, 9230), (195, 8662), (213, 7930), (305, 5538), (355, 4758), (366, 4615), (390, 4331), (426, 3965), (610, 2769), (710, 2379), (793, 2130), (915, 1846), (923, 1830), (1065, 1586)]