71540560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 211986432

約数和(自身を除く): 140445872

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 317, 364, 403, 434, 455, 496, 520, 560, 620, 634, 728, 806, 868, 910, 1040, 1085, 1240, 1268, 1456, 1585, 1612, 1736, 1820, 2015, 2170, 2219, 2480, 2536, 2821, 3170, 3224, 3472, 3640, 4030, 4121, 4340, 4438, 5072, 5642, 6340, 6448, 7280, 8060, 8242, 8680, 8876, 9827, 11095, 11284, 12680, 14105, 16120, 16484, 17360, 17752, 19654, 20605, 22190, 22568, 25360, 28210, 28847, 32240, 32968, 35504, 39308, 41210, 44380, 45136, 49135, 56420, 57694, 65936, 68789, 78616, 82420, 88760, 98270, 112840, 115388, 127751, 137578, 144235, 157232, 164840, 177520, 196540, 225680, 230776, 255502, 275156, 288470, 329680, 343945, 393080, 461552, 511004, 550312, 576940, 638755, 687890, 786160, 894257, 1022008, 1100624, 1153880, 1277510, 1375780, 1788514, 2044016, 2307760, 2555020, 2751560, 3577028, 4471285, 5110040, 5503120, 7154056, 8942570, 10220080, 14308112, 17885140, 35770280, 71540560]

約数ペア:

[(1, 71540560), (2, 35770280), (4, 17885140), (5, 14308112), (7, 10220080), (8, 8942570), (10, 7154056), (13, 5503120), (14, 5110040), (16, 4471285), (20, 3577028), (26, 2751560), (28, 2555020), (31, 2307760), (35, 2044016), (40, 1788514), (52, 1375780), (56, 1277510), (62, 1153880), (65, 1100624), (70, 1022008), (80, 894257), (91, 786160), (104, 687890), (112, 638755), (124, 576940), (130, 550312), (140, 511004), (155, 461552), (182, 393080), (208, 343945), (217, 329680), (248, 288470), (260, 275156), (280, 255502), (310, 230776), (317, 225680), (364, 196540), (403, 177520), (434, 164840), (455, 157232), (496, 144235), (520, 137578), (560, 127751), (620, 115388), (634, 112840), (728, 98270), (806, 88760), (868, 82420), (910, 78616), (1040, 68789), (1085, 65936), (1240, 57694), (1268, 56420), (1456, 49135), (1585, 45136), (1612, 44380), (1736, 41210), (1820, 39308), (2015, 35504), (2170, 32968), (2219, 32240), (2480, 28847), (2536, 28210), (2821, 25360), (3170, 22568), (3224, 22190), (3472, 20605), (3640, 19654), (4030, 17752), (4121, 17360), (4340, 16484), (4438, 16120), (5072, 14105), (5642, 12680), (6340, 11284), (6448, 11095), (7280, 9827), (8060, 8876), (8242, 8680)]