31077810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 88473600

約数和(自身を除く): 57395790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 47, 54, 62, 79, 90, 93, 94, 135, 141, 155, 158, 186, 235, 237, 270, 279, 282, 310, 395, 423, 465, 470, 474, 558, 705, 711, 790, 837, 846, 930, 1185, 1269, 1395, 1410, 1422, 1457, 1674, 2115, 2133, 2370, 2449, 2538, 2790, 2914, 3555, 3713, 4185, 4230, 4266, 4371, 4898, 6345, 7110, 7285, 7347, 7426, 8370, 8742, 10665, 11139, 12245, 12690, 13113, 14570, 14694, 18565, 21330, 21855, 22041, 22278, 24490, 26226, 33417, 36735, 37130, 39339, 43710, 44082, 55695, 65565, 66123, 66834, 73470, 78678, 100251, 110205, 111390, 115103, 131130, 132246, 167085, 196695, 200502, 220410, 230206, 330615, 334170, 345309, 393390, 501255, 575515, 661230, 690618, 1002510, 1035927, 1151030, 1726545, 2071854, 3107781, 3453090, 5179635, 6215562, 10359270, 15538905, 31077810]

約数ペア:

[(1, 31077810), (2, 15538905), (3, 10359270), (5, 6215562), (6, 5179635), (9, 3453090), (10, 3107781), (15, 2071854), (18, 1726545), (27, 1151030), (30, 1035927), (31, 1002510), (45, 690618), (47, 661230), (54, 575515), (62, 501255), (79, 393390), (90, 345309), (93, 334170), (94, 330615), (135, 230206), (141, 220410), (155, 200502), (158, 196695), (186, 167085), (235, 132246), (237, 131130), (270, 115103), (279, 111390), (282, 110205), (310, 100251), (395, 78678), (423, 73470), (465, 66834), (470, 66123), (474, 65565), (558, 55695), (705, 44082), (711, 43710), (790, 39339), (837, 37130), (846, 36735), (930, 33417), (1185, 26226), (1269, 24490), (1395, 22278), (1410, 22041), (1422, 21855), (1457, 21330), (1674, 18565), (2115, 14694), (2133, 14570), (2370, 13113), (2449, 12690), (2538, 12245), (2790, 11139), (2914, 10665), (3555, 8742), (3713, 8370), (4185, 7426), (4230, 7347), (4266, 7285), (4371, 7110), (4898, 6345)]