71218160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 188071296

約数和(自身を除く): 116853136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 47, 52, 62, 65, 80, 94, 104, 124, 130, 155, 188, 208, 235, 248, 260, 310, 376, 403, 470, 496, 520, 611, 620, 752, 806, 940, 1040, 1222, 1240, 1457, 1612, 1880, 2015, 2209, 2444, 2480, 2914, 3055, 3224, 3760, 4030, 4418, 4888, 5828, 6110, 6448, 7285, 8060, 8836, 9776, 11045, 11656, 12220, 14570, 16120, 17672, 18941, 22090, 23312, 24440, 28717, 29140, 32240, 35344, 37882, 44180, 48880, 57434, 58280, 68479, 75764, 88360, 94705, 114868, 116560, 136958, 143585, 151528, 176720, 189410, 229736, 273916, 287170, 303056, 342395, 378820, 459472, 547832, 574340, 684790, 757640, 890227, 1095664, 1148680, 1369580, 1515280, 1780454, 2297360, 2739160, 3560908, 4451135, 5478320, 7121816, 8902270, 14243632, 17804540, 35609080, 71218160]

約数ペア:

[(1, 71218160), (2, 35609080), (4, 17804540), (5, 14243632), (8, 8902270), (10, 7121816), (13, 5478320), (16, 4451135), (20, 3560908), (26, 2739160), (31, 2297360), (40, 1780454), (47, 1515280), (52, 1369580), (62, 1148680), (65, 1095664), (80, 890227), (94, 757640), (104, 684790), (124, 574340), (130, 547832), (155, 459472), (188, 378820), (208, 342395), (235, 303056), (248, 287170), (260, 273916), (310, 229736), (376, 189410), (403, 176720), (470, 151528), (496, 143585), (520, 136958), (611, 116560), (620, 114868), (752, 94705), (806, 88360), (940, 75764), (1040, 68479), (1222, 58280), (1240, 57434), (1457, 48880), (1612, 44180), (1880, 37882), (2015, 35344), (2209, 32240), (2444, 29140), (2480, 28717), (2914, 24440), (3055, 23312), (3224, 22090), (3760, 18941), (4030, 17672), (4418, 16120), (4888, 14570), (5828, 12220), (6110, 11656), (6448, 11045), (7285, 9776), (8060, 8836)]