31687830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 88452000

約数和(自身を除く): 56764170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 139, 149, 153, 170, 255, 278, 298, 306, 417, 447, 510, 695, 745, 765, 834, 894, 1251, 1341, 1390, 1490, 1530, 2085, 2235, 2363, 2502, 2533, 2682, 4170, 4470, 4726, 5066, 6255, 6705, 7089, 7599, 11815, 12510, 12665, 13410, 14178, 15198, 20711, 21267, 22797, 23630, 25330, 35445, 37995, 41422, 42534, 45594, 62133, 70890, 75990, 103555, 106335, 113985, 124266, 186399, 207110, 212670, 227970, 310665, 352087, 372798, 621330, 704174, 931995, 1056261, 1760435, 1863990, 2112522, 3168783, 3520870, 5281305, 6337566, 10562610, 15843915, 31687830]

約数ペア:

[(1, 31687830), (2, 15843915), (3, 10562610), (5, 6337566), (6, 5281305), (9, 3520870), (10, 3168783), (15, 2112522), (17, 1863990), (18, 1760435), (30, 1056261), (34, 931995), (45, 704174), (51, 621330), (85, 372798), (90, 352087), (102, 310665), (139, 227970), (149, 212670), (153, 207110), (170, 186399), (255, 124266), (278, 113985), (298, 106335), (306, 103555), (417, 75990), (447, 70890), (510, 62133), (695, 45594), (745, 42534), (765, 41422), (834, 37995), (894, 35445), (1251, 25330), (1341, 23630), (1390, 22797), (1490, 21267), (1530, 20711), (2085, 15198), (2235, 14178), (2363, 13410), (2502, 12665), (2533, 12510), (2682, 11815), (4170, 7599), (4470, 7089), (4726, 6705), (5066, 6255)]