12865755780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2305691}}^1$

素因数の和:2305737

約数の個数: 72

約数和(自身を含む): 40285050624

約数和(自身を除く): 27419294844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 2305691, 4611382, 6917073, 9222764, 11528455, 13834146, 20751219, 23056910, 27668292, 34585365, 41502438, 46113820, 69170730, 71476421, 83004876, 103756095, 138341460, 142952842, 207512190, 214429263, 285905684, 357382105, 415024380, 428858526, 643287789, 714764210, 857717052, 1072146315, 1286575578, 1429528420, 2144292630, 2573151156, 3216438945, 4288585260, 6432877890, 12865755780]

約数ペア:

[(1, 12865755780), (2, 6432877890), (3, 4288585260), (4, 3216438945), (5, 2573151156), (6, 2144292630), (9, 1429528420), (10, 1286575578), (12, 1072146315), (15, 857717052), (18, 714764210), (20, 643287789), (30, 428858526), (31, 415024380), (36, 357382105), (45, 285905684), (60, 214429263), (62, 207512190), (90, 142952842), (93, 138341460), (124, 103756095), (155, 83004876), (180, 71476421), (186, 69170730), (279, 46113820), (310, 41502438), (372, 34585365), (465, 27668292), (558, 23056910), (620, 20751219), (930, 13834146), (1116, 11528455), (1395, 9222764), (1860, 6917073), (2790, 4611382), (5580, 2305691)]