177870870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 497664000

約数和(自身を除く): 319793130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 79, 90, 93, 135, 155, 158, 186, 237, 269, 270, 279, 310, 395, 465, 474, 538, 558, 711, 790, 807, 837, 930, 1185, 1345, 1395, 1422, 1614, 1674, 2133, 2370, 2421, 2449, 2690, 2790, 3555, 4035, 4185, 4266, 4842, 4898, 7110, 7263, 7347, 8070, 8339, 8370, 10665, 12105, 12245, 14526, 14694, 16678, 21251, 21330, 22041, 24210, 24490, 25017, 36315, 36735, 41695, 42502, 44082, 50034, 63753, 66123, 72630, 73470, 75051, 83390, 106255, 110205, 125085, 127506, 132246, 150102, 191259, 212510, 220410, 225153, 250170, 318765, 330615, 375255, 382518, 450306, 573777, 637530, 658781, 661230, 750510, 956295, 1125765, 1147554, 1317562, 1912590, 1976343, 2251530, 2868885, 3293905, 3952686, 5737770, 5929029, 6587810, 9881715, 11858058, 17787087, 19763430, 29645145, 35574174, 59290290, 88935435, 177870870]

約数ペア:

[(1, 177870870), (2, 88935435), (3, 59290290), (5, 35574174), (6, 29645145), (9, 19763430), (10, 17787087), (15, 11858058), (18, 9881715), (27, 6587810), (30, 5929029), (31, 5737770), (45, 3952686), (54, 3293905), (62, 2868885), (79, 2251530), (90, 1976343), (93, 1912590), (135, 1317562), (155, 1147554), (158, 1125765), (186, 956295), (237, 750510), (269, 661230), (270, 658781), (279, 637530), (310, 573777), (395, 450306), (465, 382518), (474, 375255), (538, 330615), (558, 318765), (711, 250170), (790, 225153), (807, 220410), (837, 212510), (930, 191259), (1185, 150102), (1345, 132246), (1395, 127506), (1422, 125085), (1614, 110205), (1674, 106255), (2133, 83390), (2370, 75051), (2421, 73470), (2449, 72630), (2690, 66123), (2790, 63753), (3555, 50034), (4035, 44082), (4185, 42502), (4266, 41695), (4842, 36735), (4898, 36315), (7110, 25017), (7263, 24490), (7347, 24210), (8070, 22041), (8339, 21330), (8370, 21251), (10665, 16678), (12105, 14694), (12245, 14526)]