64909040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3739}}^1$

素因数の和:3790

約数の個数: 80

約数和(自身を含む): 178083840

約数和(自身を除く): 113174800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 3739, 4340, 7478, 8680, 14956, 17360, 18695, 26173, 29912, 37390, 52346, 59824, 74780, 104692, 115909, 130865, 149560, 209384, 231818, 261730, 299120, 418768, 463636, 523460, 579545, 811363, 927272, 1046920, 1159090, 1622726, 1854544, 2093840, 2318180, 3245452, 4056815, 4636360, 6490904, 8113630, 9272720, 12981808, 16227260, 32454520, 64909040]

約数ペア:

[(1, 64909040), (2, 32454520), (4, 16227260), (5, 12981808), (7, 9272720), (8, 8113630), (10, 6490904), (14, 4636360), (16, 4056815), (20, 3245452), (28, 2318180), (31, 2093840), (35, 1854544), (40, 1622726), (56, 1159090), (62, 1046920), (70, 927272), (80, 811363), (112, 579545), (124, 523460), (140, 463636), (155, 418768), (217, 299120), (248, 261730), (280, 231818), (310, 209384), (434, 149560), (496, 130865), (560, 115909), (620, 104692), (868, 74780), (1085, 59824), (1240, 52346), (1736, 37390), (2170, 29912), (2480, 26173), (3472, 18695), (3739, 17360), (4340, 14956), (7478, 8680)]