69875440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 173560320

約数和(自身を除く): 103684880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 191, 269, 272, 340, 382, 538, 680, 764, 955, 1076, 1345, 1360, 1528, 1910, 2152, 2690, 3056, 3247, 3820, 4304, 4573, 5380, 6494, 7640, 9146, 10760, 12988, 15280, 16235, 18292, 21520, 22865, 25976, 32470, 36584, 45730, 51379, 51952, 64940, 73168, 91460, 102758, 129880, 182920, 205516, 256895, 259760, 365840, 411032, 513790, 822064, 873443, 1027580, 1746886, 2055160, 3493772, 4110320, 4367215, 6987544, 8734430, 13975088, 17468860, 34937720, 69875440]

約数ペア:

[(1, 69875440), (2, 34937720), (4, 17468860), (5, 13975088), (8, 8734430), (10, 6987544), (16, 4367215), (17, 4110320), (20, 3493772), (34, 2055160), (40, 1746886), (68, 1027580), (80, 873443), (85, 822064), (136, 513790), (170, 411032), (191, 365840), (269, 259760), (272, 256895), (340, 205516), (382, 182920), (538, 129880), (680, 102758), (764, 91460), (955, 73168), (1076, 64940), (1345, 51952), (1360, 51379), (1528, 45730), (1910, 36584), (2152, 32470), (2690, 25976), (3056, 22865), (3247, 21520), (3820, 18292), (4304, 16235), (4573, 15280), (5380, 12988), (6494, 10760), (7640, 9146)]