15305440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 38527272

約数和(自身を除く): 23221832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 331, 340, 544, 578, 662, 680, 1156, 1324, 1360, 1445, 1655, 2312, 2648, 2720, 2890, 3310, 4624, 5296, 5627, 5780, 6620, 9248, 10592, 11254, 11560, 13240, 22508, 23120, 26480, 28135, 45016, 46240, 52960, 56270, 90032, 95659, 112540, 180064, 191318, 225080, 382636, 450160, 478295, 765272, 900320, 956590, 1530544, 1913180, 3061088, 3826360, 7652720, 15305440]

約数ペア:

[(1, 15305440), (2, 7652720), (4, 3826360), (5, 3061088), (8, 1913180), (10, 1530544), (16, 956590), (17, 900320), (20, 765272), (32, 478295), (34, 450160), (40, 382636), (68, 225080), (80, 191318), (85, 180064), (136, 112540), (160, 95659), (170, 90032), (272, 56270), (289, 52960), (331, 46240), (340, 45016), (544, 28135), (578, 26480), (662, 23120), (680, 22508), (1156, 13240), (1324, 11560), (1360, 11254), (1445, 10592), (1655, 9248), (2312, 6620), (2648, 5780), (2720, 5627), (2890, 5296), (3310, 4624)]