719940

素因数分解:

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

素因数の和:109

約数の個数: 72

約数和(自身を含む): 2213568

約数和(自身を除く): 1493628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 169, 195, 213, 260, 284, 338, 355, 390, 426, 507, 676, 710, 780, 845, 852, 923, 1014, 1065, 1420, 1690, 1846, 2028, 2130, 2535, 2769, 3380, 3692, 4260, 4615, 5070, 5538, 9230, 10140, 11076, 11999, 13845, 18460, 23998, 27690, 35997, 47996, 55380, 59995, 71994, 119990, 143988, 179985, 239980, 359970, 719940]

約数ペア:

[(1, 719940), (2, 359970), (3, 239980), (4, 179985), (5, 143988), (6, 119990), (10, 71994), (12, 59995), (13, 55380), (15, 47996), (20, 35997), (26, 27690), (30, 23998), (39, 18460), (52, 13845), (60, 11999), (65, 11076), (71, 10140), (78, 9230), (130, 5538), (142, 5070), (156, 4615), (169, 4260), (195, 3692), (213, 3380), (260, 2769), (284, 2535), (338, 2130), (355, 2028), (390, 1846), (426, 1690), (507, 1420), (676, 1065), (710, 1014), (780, 923), (845, 852)]