87787320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 128

約数和(自身を含む): 291133440

約数和(自身を除く): 203346120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1871, 1955, 2040, 2346, 2760, 3128, 3742, 3910, 4692, 5613, 5865, 7484, 7820, 9355, 9384, 11226, 11730, 14968, 15640, 18710, 22452, 23460, 28065, 31807, 37420, 43033, 44904, 46920, 56130, 63614, 74840, 86066, 95421, 112260, 127228, 129099, 159035, 172132, 190842, 215165, 224520, 254456, 258198, 318070, 344264, 381684, 430330, 477105, 516396, 636140, 645495, 731561, 763368, 860660, 954210, 1032792, 1272280, 1290990, 1463122, 1721320, 1908420, 2194683, 2581980, 2926244, 3657805, 3816840, 4389366, 5163960, 5852488, 7315610, 8778732, 10973415, 14631220, 17557464, 21946830, 29262440, 43893660, 87787320]

約数ペア:

[(1, 87787320), (2, 43893660), (3, 29262440), (4, 21946830), (5, 17557464), (6, 14631220), (8, 10973415), (10, 8778732), (12, 7315610), (15, 5852488), (17, 5163960), (20, 4389366), (23, 3816840), (24, 3657805), (30, 2926244), (34, 2581980), (40, 2194683), (46, 1908420), (51, 1721320), (60, 1463122), (68, 1290990), (69, 1272280), (85, 1032792), (92, 954210), (102, 860660), (115, 763368), (120, 731561), (136, 645495), (138, 636140), (170, 516396), (184, 477105), (204, 430330), (230, 381684), (255, 344264), (276, 318070), (340, 258198), (345, 254456), (391, 224520), (408, 215165), (460, 190842), (510, 172132), (552, 159035), (680, 129099), (690, 127228), (782, 112260), (920, 95421), (1020, 86066), (1173, 74840), (1380, 63614), (1564, 56130), (1871, 46920), (1955, 44904), (2040, 43033), (2346, 37420), (2760, 31807), (3128, 28065), (3742, 23460), (3910, 22452), (4692, 18710), (5613, 15640), (5865, 14968), (7484, 11730), (7820, 11226), (9355, 9384)]