72574720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 182672280

約数和(自身を除く): 110097560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 256, 295, 310, 320, 472, 496, 590, 620, 640, 944, 961, 992, 1180, 1240, 1280, 1829, 1888, 1922, 1984, 2360, 2480, 3658, 3776, 3844, 3968, 4720, 4805, 4960, 7316, 7552, 7688, 7936, 9145, 9440, 9610, 9920, 14632, 15104, 15376, 18290, 18880, 19220, 19840, 29264, 30752, 36580, 37760, 38440, 39680, 56699, 58528, 61504, 73160, 75520, 76880, 113398, 117056, 123008, 146320, 153760, 226796, 234112, 246016, 283495, 292640, 307520, 453592, 468224, 566990, 585280, 615040, 907184, 1133980, 1170560, 1230080, 1814368, 2267960, 2341120, 3628736, 4535920, 7257472, 9071840, 14514944, 18143680, 36287360, 72574720]

約数ペア:

[(1, 72574720), (2, 36287360), (4, 18143680), (5, 14514944), (8, 9071840), (10, 7257472), (16, 4535920), (20, 3628736), (31, 2341120), (32, 2267960), (40, 1814368), (59, 1230080), (62, 1170560), (64, 1133980), (80, 907184), (118, 615040), (124, 585280), (128, 566990), (155, 468224), (160, 453592), (236, 307520), (248, 292640), (256, 283495), (295, 246016), (310, 234112), (320, 226796), (472, 153760), (496, 146320), (590, 123008), (620, 117056), (640, 113398), (944, 76880), (961, 75520), (992, 73160), (1180, 61504), (1240, 58528), (1280, 56699), (1829, 39680), (1888, 38440), (1922, 37760), (1984, 36580), (2360, 30752), (2480, 29264), (3658, 19840), (3776, 19220), (3844, 18880), (3968, 18290), (4720, 15376), (4805, 15104), (4960, 14632), (7316, 9920), (7552, 9610), (7688, 9440), (7936, 9145)]