215696760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2589

約数の個数: 128

約数和(自身を含む): 697282560

約数和(自身を除く): 481585800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2521, 2760, 2852, 3565, 3720, 4278, 5042, 5704, 7130, 7563, 8556, 10084, 10695, 12605, 14260, 15126, 17112, 20168, 21390, 25210, 28520, 30252, 37815, 42780, 50420, 57983, 60504, 75630, 78151, 85560, 100840, 115966, 151260, 156302, 173949, 231932, 234453, 289915, 302520, 312604, 347898, 390755, 463864, 468906, 579830, 625208, 695796, 781510, 869745, 937812, 1159660, 1172265, 1391592, 1563020, 1739490, 1797473, 1875624, 2319320, 2344530, 3126040, 3478980, 3594946, 4689060, 5392419, 6957960, 7189892, 8987365, 9378120, 10784838, 14379784, 17974730, 21569676, 26962095, 35949460, 43139352, 53924190, 71898920, 107848380, 215696760]

約数ペア:

[(1, 215696760), (2, 107848380), (3, 71898920), (4, 53924190), (5, 43139352), (6, 35949460), (8, 26962095), (10, 21569676), (12, 17974730), (15, 14379784), (20, 10784838), (23, 9378120), (24, 8987365), (30, 7189892), (31, 6957960), (40, 5392419), (46, 4689060), (60, 3594946), (62, 3478980), (69, 3126040), (92, 2344530), (93, 2319320), (115, 1875624), (120, 1797473), (124, 1739490), (138, 1563020), (155, 1391592), (184, 1172265), (186, 1159660), (230, 937812), (248, 869745), (276, 781510), (310, 695796), (345, 625208), (372, 579830), (460, 468906), (465, 463864), (552, 390755), (620, 347898), (690, 312604), (713, 302520), (744, 289915), (920, 234453), (930, 231932), (1240, 173949), (1380, 156302), (1426, 151260), (1860, 115966), (2139, 100840), (2521, 85560), (2760, 78151), (2852, 75630), (3565, 60504), (3720, 57983), (4278, 50420), (5042, 42780), (5704, 37815), (7130, 30252), (7563, 28520), (8556, 25210), (10084, 21390), (10695, 20168), (12605, 17112), (14260, 15126)]