1620248868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{63659}}^1$

素因数の和:63777

約数の個数: 72

約数和(自身を含む): 4727136960

約数和(自身を除く): 3106888092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1212, 1414, 1818, 2121, 2828, 3636, 4242, 6363, 8484, 12726, 25452, 63659, 127318, 190977, 254636, 381954, 445613, 572931, 763908, 891226, 1145862, 1336839, 1782452, 2291724, 2673678, 4010517, 5347356, 6429559, 8021034, 12859118, 16042068, 19288677, 25718236, 38577354, 45006913, 57866031, 77154708, 90013826, 115732062, 135020739, 180027652, 231464124, 270041478, 405062217, 540082956, 810124434, 1620248868]

約数ペア:

[(1, 1620248868), (2, 810124434), (3, 540082956), (4, 405062217), (6, 270041478), (7, 231464124), (9, 180027652), (12, 135020739), (14, 115732062), (18, 90013826), (21, 77154708), (28, 57866031), (36, 45006913), (42, 38577354), (63, 25718236), (84, 19288677), (101, 16042068), (126, 12859118), (202, 8021034), (252, 6429559), (303, 5347356), (404, 4010517), (606, 2673678), (707, 2291724), (909, 1782452), (1212, 1336839), (1414, 1145862), (1818, 891226), (2121, 763908), (2828, 572931), (3636, 445613), (4242, 381954), (6363, 254636), (8484, 190977), (12726, 127318), (25452, 63659)]