81015870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4831}}^1$

素因数の和:4897

約数の個数: 64

約数和(自身を含む): 214308864

約数和(自身を除く): 133292994

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 4831, 5590, 8385, 9662, 14493, 16770, 24155, 28986, 48310, 62803, 72465, 125606, 144930, 188409, 207733, 314015, 376818, 415466, 623199, 628030, 942045, 1038665, 1246398, 1884090, 2077330, 2700529, 3115995, 5401058, 6231990, 8101587, 13502645, 16203174, 27005290, 40507935, 81015870]

約数ペア:

[(1, 81015870), (2, 40507935), (3, 27005290), (5, 16203174), (6, 13502645), (10, 8101587), (13, 6231990), (15, 5401058), (26, 3115995), (30, 2700529), (39, 2077330), (43, 1884090), (65, 1246398), (78, 1038665), (86, 942045), (129, 628030), (130, 623199), (195, 415466), (215, 376818), (258, 314015), (390, 207733), (430, 188409), (559, 144930), (645, 125606), (1118, 72465), (1290, 62803), (1677, 48310), (2795, 28986), (3354, 24155), (4831, 16770), (5590, 14493), (8385, 9662)]