71704240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 178202880

約数和(自身を除く): 106498640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 997, 1160, 1240, 1798, 1994, 2320, 2480, 3596, 3988, 4495, 4985, 7192, 7976, 8990, 9970, 14384, 15952, 17980, 19940, 28913, 30907, 35960, 39880, 57826, 61814, 71920, 79760, 115652, 123628, 144565, 154535, 231304, 247256, 289130, 309070, 462608, 494512, 578260, 618140, 896303, 1156520, 1236280, 1792606, 2313040, 2472560, 3585212, 4481515, 7170424, 8963030, 14340848, 17926060, 35852120, 71704240]

約数ペア:

[(1, 71704240), (2, 35852120), (4, 17926060), (5, 14340848), (8, 8963030), (10, 7170424), (16, 4481515), (20, 3585212), (29, 2472560), (31, 2313040), (40, 1792606), (58, 1236280), (62, 1156520), (80, 896303), (116, 618140), (124, 578260), (145, 494512), (155, 462608), (232, 309070), (248, 289130), (290, 247256), (310, 231304), (464, 154535), (496, 144565), (580, 123628), (620, 115652), (899, 79760), (997, 71920), (1160, 61814), (1240, 57826), (1798, 39880), (1994, 35960), (2320, 30907), (2480, 28913), (3596, 19940), (3988, 17980), (4495, 15952), (4985, 14384), (7192, 9970), (7976, 8990)]