65878720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 168249600

約数和(自身を除く): 102370880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 229, 232, 248, 290, 310, 320, 458, 464, 496, 580, 620, 899, 916, 928, 992, 1145, 1160, 1240, 1798, 1832, 1856, 1984, 2290, 2320, 2480, 3596, 3664, 4495, 4580, 4640, 4960, 6641, 7099, 7192, 7328, 8990, 9160, 9280, 9920, 13282, 14198, 14384, 14656, 17980, 18320, 26564, 28396, 28768, 33205, 35495, 35960, 36640, 53128, 56792, 57536, 66410, 70990, 71920, 73280, 106256, 113584, 132820, 141980, 143840, 205871, 212512, 227168, 265640, 283960, 287680, 411742, 425024, 454336, 531280, 567920, 823484, 1029355, 1062560, 1135840, 1646968, 2058710, 2125120, 2271680, 3293936, 4117420, 6587872, 8234840, 13175744, 16469680, 32939360, 65878720]

約数ペア:

[(1, 65878720), (2, 32939360), (4, 16469680), (5, 13175744), (8, 8234840), (10, 6587872), (16, 4117420), (20, 3293936), (29, 2271680), (31, 2125120), (32, 2058710), (40, 1646968), (58, 1135840), (62, 1062560), (64, 1029355), (80, 823484), (116, 567920), (124, 531280), (145, 454336), (155, 425024), (160, 411742), (229, 287680), (232, 283960), (248, 265640), (290, 227168), (310, 212512), (320, 205871), (458, 143840), (464, 141980), (496, 132820), (580, 113584), (620, 106256), (899, 73280), (916, 71920), (928, 70990), (992, 66410), (1145, 57536), (1160, 56792), (1240, 53128), (1798, 36640), (1832, 35960), (1856, 35495), (1984, 33205), (2290, 28768), (2320, 28396), (2480, 26564), (3596, 18320), (3664, 17980), (4495, 14656), (4580, 14384), (4640, 14198), (4960, 13282), (6641, 9920), (7099, 9280), (7192, 9160), (7328, 8990)]