87487890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 252149760

約数和(自身を除く): 164661870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 89, 93, 105, 151, 155, 178, 186, 210, 217, 267, 302, 310, 434, 445, 453, 465, 534, 623, 651, 755, 890, 906, 930, 1057, 1085, 1246, 1302, 1335, 1510, 1869, 2114, 2170, 2265, 2670, 2759, 3115, 3171, 3255, 3738, 4530, 4681, 5285, 5518, 6230, 6342, 6510, 8277, 9345, 9362, 10570, 13439, 13795, 14043, 15855, 16554, 18690, 19313, 23405, 26878, 27590, 28086, 31710, 32767, 38626, 40317, 41385, 46810, 57939, 65534, 67195, 70215, 80634, 82770, 94073, 96565, 98301, 115878, 134390, 140430, 163835, 188146, 193130, 196602, 201585, 282219, 289695, 327670, 403170, 416609, 470365, 491505, 564438, 579390, 833218, 940730, 983010, 1249827, 1411095, 2083045, 2499654, 2822190, 2916263, 4166090, 5832526, 6249135, 8748789, 12498270, 14581315, 17497578, 29162630, 43743945, 87487890]

約数ペア:

[(1, 87487890), (2, 43743945), (3, 29162630), (5, 17497578), (6, 14581315), (7, 12498270), (10, 8748789), (14, 6249135), (15, 5832526), (21, 4166090), (30, 2916263), (31, 2822190), (35, 2499654), (42, 2083045), (62, 1411095), (70, 1249827), (89, 983010), (93, 940730), (105, 833218), (151, 579390), (155, 564438), (178, 491505), (186, 470365), (210, 416609), (217, 403170), (267, 327670), (302, 289695), (310, 282219), (434, 201585), (445, 196602), (453, 193130), (465, 188146), (534, 163835), (623, 140430), (651, 134390), (755, 115878), (890, 98301), (906, 96565), (930, 94073), (1057, 82770), (1085, 80634), (1246, 70215), (1302, 67195), (1335, 65534), (1510, 57939), (1869, 46810), (2114, 41385), (2170, 40317), (2265, 38626), (2670, 32767), (2759, 31710), (3115, 28086), (3171, 27590), (3255, 26878), (3738, 23405), (4530, 19313), (4681, 18690), (5285, 16554), (5518, 15855), (6230, 14043), (6342, 13795), (6510, 13439), (8277, 10570), (9345, 9362)]