77817440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:616

約数の個数: 96

約数和(自身を含む): 196680960

約数和(自身を除く): 118863520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 464, 496, 541, 580, 620, 899, 928, 992, 1082, 1160, 1240, 1798, 2164, 2320, 2480, 2705, 3596, 4328, 4495, 4640, 4960, 5410, 7192, 8656, 8990, 10820, 14384, 15689, 16771, 17312, 17980, 21640, 28768, 31378, 33542, 35960, 43280, 62756, 67084, 71920, 78445, 83855, 86560, 125512, 134168, 143840, 156890, 167710, 251024, 268336, 313780, 335420, 486359, 502048, 536672, 627560, 670840, 972718, 1255120, 1341680, 1945436, 2431795, 2510240, 2683360, 3890872, 4863590, 7781744, 9727180, 15563488, 19454360, 38908720, 77817440]

約数ペア:

[(1, 77817440), (2, 38908720), (4, 19454360), (5, 15563488), (8, 9727180), (10, 7781744), (16, 4863590), (20, 3890872), (29, 2683360), (31, 2510240), (32, 2431795), (40, 1945436), (58, 1341680), (62, 1255120), (80, 972718), (116, 670840), (124, 627560), (145, 536672), (155, 502048), (160, 486359), (232, 335420), (248, 313780), (290, 268336), (310, 251024), (464, 167710), (496, 156890), (541, 143840), (580, 134168), (620, 125512), (899, 86560), (928, 83855), (992, 78445), (1082, 71920), (1160, 67084), (1240, 62756), (1798, 43280), (2164, 35960), (2320, 33542), (2480, 31378), (2705, 28768), (3596, 21640), (4328, 17980), (4495, 17312), (4640, 16771), (4960, 15689), (5410, 14384), (7192, 10820), (8656, 8990)]