1499940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 4907448

約数和(自身を除く): 3407508

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, 180, 195, 234, 260, 390, 468, 585, 641, 780, 1170, 1282, 1923, 2340, 2564, 3205, 3846, 5769, 6410, 7692, 8333, 9615, 11538, 12820, 16666, 19230, 23076, 24999, 28845, 33332, 38460, 41665, 49998, 57690, 74997, 83330, 99996, 115380, 124995, 149994, 166660, 249990, 299988, 374985, 499980, 749970, 1499940]

約数ペア:

[(1, 1499940), (2, 749970), (3, 499980), (4, 374985), (5, 299988), (6, 249990), (9, 166660), (10, 149994), (12, 124995), (13, 115380), (15, 99996), (18, 83330), (20, 74997), (26, 57690), (30, 49998), (36, 41665), (39, 38460), (45, 33332), (52, 28845), (60, 24999), (65, 23076), (78, 19230), (90, 16666), (117, 12820), (130, 11538), (156, 9615), (180, 8333), (195, 7692), (234, 6410), (260, 5769), (390, 3846), (468, 3205), (585, 2564), (641, 2340), (780, 1923), (1170, 1282)]