72356480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 204456960

約数和(自身を除く): 132100480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 521, 560, 620, 640, 868, 896, 992, 1042, 1085, 1120, 1240, 1736, 1984, 2084, 2170, 2240, 2480, 2605, 3472, 3647, 3968, 4168, 4340, 4480, 4960, 5210, 6944, 7294, 8336, 8680, 9920, 10420, 13888, 14588, 16151, 16672, 17360, 18235, 19840, 20840, 27776, 29176, 32302, 33344, 34720, 36470, 41680, 58352, 64604, 66688, 69440, 72940, 80755, 83360, 113057, 116704, 129208, 138880, 145880, 161510, 166720, 226114, 233408, 258416, 291760, 323020, 333440, 452228, 466816, 516832, 565285, 583520, 646040, 904456, 1033664, 1130570, 1167040, 1292080, 1808912, 2067328, 2261140, 2334080, 2584160, 3617824, 4522280, 5168320, 7235648, 9044560, 10336640, 14471296, 18089120, 36178240, 72356480]

約数ペア:

[(1, 72356480), (2, 36178240), (4, 18089120), (5, 14471296), (7, 10336640), (8, 9044560), (10, 7235648), (14, 5168320), (16, 4522280), (20, 3617824), (28, 2584160), (31, 2334080), (32, 2261140), (35, 2067328), (40, 1808912), (56, 1292080), (62, 1167040), (64, 1130570), (70, 1033664), (80, 904456), (112, 646040), (124, 583520), (128, 565285), (140, 516832), (155, 466816), (160, 452228), (217, 333440), (224, 323020), (248, 291760), (280, 258416), (310, 233408), (320, 226114), (434, 166720), (448, 161510), (496, 145880), (521, 138880), (560, 129208), (620, 116704), (640, 113057), (868, 83360), (896, 80755), (992, 72940), (1042, 69440), (1085, 66688), (1120, 64604), (1240, 58352), (1736, 41680), (1984, 36470), (2084, 34720), (2170, 33344), (2240, 32302), (2480, 29176), (2605, 27776), (3472, 20840), (3647, 19840), (3968, 18235), (4168, 17360), (4340, 16672), (4480, 16151), (4960, 14588), (5210, 13888), (6944, 10420), (7294, 9920), (8336, 8680)]