71488480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 209018880

約数和(自身を除く): 137530400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 56, 58, 62, 70, 71, 80, 112, 116, 124, 140, 142, 145, 155, 160, 203, 217, 224, 232, 248, 280, 284, 290, 310, 355, 406, 434, 464, 496, 497, 560, 568, 580, 620, 710, 812, 868, 899, 928, 992, 994, 1015, 1085, 1120, 1136, 1160, 1240, 1420, 1624, 1736, 1798, 1988, 2030, 2059, 2170, 2201, 2272, 2320, 2480, 2485, 2840, 3248, 3472, 3596, 3976, 4060, 4118, 4340, 4402, 4495, 4640, 4960, 4970, 5680, 6293, 6496, 6944, 7192, 7952, 8120, 8236, 8680, 8804, 8990, 9940, 10295, 11005, 11360, 12586, 14384, 14413, 15407, 15904, 16240, 16472, 17360, 17608, 17980, 19880, 20590, 22010, 25172, 28768, 28826, 30814, 31465, 32480, 32944, 34720, 35216, 35960, 39760, 41180, 44020, 50344, 57652, 61628, 62930, 63829, 65888, 70432, 71920, 72065, 77035, 79520, 82360, 88040, 100688, 115304, 123256, 125860, 127658, 143840, 144130, 154070, 164720, 176080, 201376, 230608, 246512, 251720, 255316, 288260, 308140, 319145, 329440, 352160, 446803, 461216, 493024, 503440, 510632, 576520, 616280, 638290, 893606, 1006880, 1021264, 1153040, 1232560, 1276580, 1787212, 2042528, 2234015, 2306080, 2465120, 2553160, 3574424, 4468030, 5106320, 7148848, 8936060, 10212640, 14297696, 17872120, 35744240, 71488480]

約数ペア:

[(1, 71488480), (2, 35744240), (4, 17872120), (5, 14297696), (7, 10212640), (8, 8936060), (10, 7148848), (14, 5106320), (16, 4468030), (20, 3574424), (28, 2553160), (29, 2465120), (31, 2306080), (32, 2234015), (35, 2042528), (40, 1787212), (56, 1276580), (58, 1232560), (62, 1153040), (70, 1021264), (71, 1006880), (80, 893606), (112, 638290), (116, 616280), (124, 576520), (140, 510632), (142, 503440), (145, 493024), (155, 461216), (160, 446803), (203, 352160), (217, 329440), (224, 319145), (232, 308140), (248, 288260), (280, 255316), (284, 251720), (290, 246512), (310, 230608), (355, 201376), (406, 176080), (434, 164720), (464, 154070), (496, 144130), (497, 143840), (560, 127658), (568, 125860), (580, 123256), (620, 115304), (710, 100688), (812, 88040), (868, 82360), (899, 79520), (928, 77035), (992, 72065), (994, 71920), (1015, 70432), (1085, 65888), (1120, 63829), (1136, 62930), (1160, 61628), (1240, 57652), (1420, 50344), (1624, 44020), (1736, 41180), (1798, 39760), (1988, 35960), (2030, 35216), (2059, 34720), (2170, 32944), (2201, 32480), (2272, 31465), (2320, 30814), (2480, 28826), (2485, 28768), (2840, 25172), (3248, 22010), (3472, 20590), (3596, 19880), (3976, 17980), (4060, 17608), (4118, 17360), (4340, 16472), (4402, 16240), (4495, 15904), (4640, 15407), (4960, 14413), (4970, 14384), (5680, 12586), (6293, 11360), (6496, 11005), (6944, 10295), (7192, 9940), (7952, 8990), (8120, 8804), (8236, 8680)]