15975450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 72

約数和(自身を含む): 43407936

約数和(自身を除く): 27432486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 131, 150, 225, 262, 271, 393, 450, 542, 655, 786, 813, 1179, 1310, 1355, 1626, 1965, 2358, 2439, 2710, 3275, 3930, 4065, 4878, 5895, 6550, 6775, 8130, 9825, 11790, 12195, 13550, 19650, 20325, 24390, 29475, 35501, 40650, 58950, 60975, 71002, 106503, 121950, 177505, 213006, 319509, 355010, 532515, 639018, 887525, 1065030, 1597545, 1775050, 2662575, 3195090, 5325150, 7987725, 15975450]

約数ペア:

[(1, 15975450), (2, 7987725), (3, 5325150), (5, 3195090), (6, 2662575), (9, 1775050), (10, 1597545), (15, 1065030), (18, 887525), (25, 639018), (30, 532515), (45, 355010), (50, 319509), (75, 213006), (90, 177505), (131, 121950), (150, 106503), (225, 71002), (262, 60975), (271, 58950), (393, 40650), (450, 35501), (542, 29475), (655, 24390), (786, 20325), (813, 19650), (1179, 13550), (1310, 12195), (1355, 11790), (1626, 9825), (1965, 8130), (2358, 6775), (2439, 6550), (2710, 5895), (3275, 4878), (3930, 4065)]