71450320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 177899328

約数和(自身を除く): 106449008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 491, 535, 680, 856, 982, 1070, 1360, 1712, 1819, 1964, 2140, 2455, 3638, 3928, 4280, 4910, 7276, 7856, 8347, 8560, 9095, 9820, 14552, 16694, 18190, 19640, 29104, 33388, 36380, 39280, 41735, 52537, 66776, 72760, 83470, 105074, 133552, 145520, 166940, 210148, 262685, 333880, 420296, 525370, 667760, 840592, 893129, 1050740, 1786258, 2101480, 3572516, 4202960, 4465645, 7145032, 8931290, 14290064, 17862580, 35725160, 71450320]

約数ペア:

[(1, 71450320), (2, 35725160), (4, 17862580), (5, 14290064), (8, 8931290), (10, 7145032), (16, 4465645), (17, 4202960), (20, 3572516), (34, 2101480), (40, 1786258), (68, 1050740), (80, 893129), (85, 840592), (107, 667760), (136, 525370), (170, 420296), (214, 333880), (272, 262685), (340, 210148), (428, 166940), (491, 145520), (535, 133552), (680, 105074), (856, 83470), (982, 72760), (1070, 66776), (1360, 52537), (1712, 41735), (1819, 39280), (1964, 36380), (2140, 33388), (2455, 29104), (3638, 19640), (3928, 18190), (4280, 16694), (4910, 14552), (7276, 9820), (7856, 9095), (8347, 8560)]