1239852780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{7561}}^1$

素因数の和:8487

約数の個数: 72

約数和(自身を含む): 3765513024

約数和(自身を除く): 2525660244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 911, 1822, 2733, 3644, 4555, 5466, 7561, 8199, 9110, 10932, 13665, 15122, 16398, 18220, 22683, 27330, 30244, 32796, 37805, 40995, 45366, 54660, 68049, 75610, 81990, 90732, 113415, 136098, 151220, 163980, 226830, 272196, 340245, 453660, 680490, 1360980, 6888071, 13776142, 20664213, 27552284, 34440355, 41328426, 61992639, 68880710, 82656852, 103321065, 123985278, 137761420, 206642130, 247970556, 309963195, 413284260, 619926390, 1239852780]

約数ペア:

[(1, 1239852780), (2, 619926390), (3, 413284260), (4, 309963195), (5, 247970556), (6, 206642130), (9, 137761420), (10, 123985278), (12, 103321065), (15, 82656852), (18, 68880710), (20, 61992639), (30, 41328426), (36, 34440355), (45, 27552284), (60, 20664213), (90, 13776142), (180, 6888071), (911, 1360980), (1822, 680490), (2733, 453660), (3644, 340245), (4555, 272196), (5466, 226830), (7561, 163980), (8199, 151220), (9110, 136098), (10932, 113415), (13665, 90732), (15122, 81990), (16398, 75610), (18220, 68049), (22683, 54660), (27330, 45366), (30244, 40995), (32796, 37805)]