31917060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 112484736

約数和(自身を除く): 80567676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 347, 365, 420, 438, 511, 630, 657, 694, 730, 876, 1022, 1041, 1095, 1260, 1314, 1388, 1460, 1533, 1735, 2044, 2082, 2190, 2429, 2555, 2628, 3066, 3123, 3285, 3470, 4164, 4380, 4599, 4858, 5110, 5205, 6132, 6246, 6570, 6940, 7287, 7665, 9198, 9716, 10220, 10410, 12145, 12492, 13140, 14574, 15330, 15615, 18396, 20820, 21861, 22995, 24290, 25331, 29148, 30660, 31230, 36435, 43722, 45990, 48580, 50662, 62460, 72870, 75993, 87444, 91980, 101324, 109305, 126655, 145740, 151986, 177317, 218610, 227979, 253310, 303972, 354634, 379965, 437220, 455958, 506620, 531951, 709268, 759930, 886585, 911916, 1063902, 1139895, 1519860, 1595853, 1773170, 2127804, 2279790, 2659755, 3191706, 3546340, 4559580, 5319510, 6383412, 7979265, 10639020, 15958530, 31917060]

約数ペア:

[(1, 31917060), (2, 15958530), (3, 10639020), (4, 7979265), (5, 6383412), (6, 5319510), (7, 4559580), (9, 3546340), (10, 3191706), (12, 2659755), (14, 2279790), (15, 2127804), (18, 1773170), (20, 1595853), (21, 1519860), (28, 1139895), (30, 1063902), (35, 911916), (36, 886585), (42, 759930), (45, 709268), (60, 531951), (63, 506620), (70, 455958), (73, 437220), (84, 379965), (90, 354634), (105, 303972), (126, 253310), (140, 227979), (146, 218610), (180, 177317), (210, 151986), (219, 145740), (252, 126655), (292, 109305), (315, 101324), (347, 91980), (365, 87444), (420, 75993), (438, 72870), (511, 62460), (630, 50662), (657, 48580), (694, 45990), (730, 43722), (876, 36435), (1022, 31230), (1041, 30660), (1095, 29148), (1260, 25331), (1314, 24290), (1388, 22995), (1460, 21861), (1533, 20820), (1735, 18396), (2044, 15615), (2082, 15330), (2190, 14574), (2429, 13140), (2555, 12492), (2628, 12145), (3066, 10410), (3123, 10220), (3285, 9716), (3470, 9198), (4164, 7665), (4380, 7287), (4599, 6940), (4858, 6570), (5110, 6246), (5205, 6132)]