160103840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 425005056

約数和(自身を除く): 264901216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 191, 208, 248, 260, 310, 338, 382, 403, 416, 496, 520, 620, 676, 764, 806, 845, 955, 992, 1040, 1240, 1352, 1528, 1612, 1690, 1910, 2015, 2080, 2480, 2483, 2704, 3056, 3224, 3380, 3820, 4030, 4960, 4966, 5239, 5408, 5921, 6112, 6448, 6760, 7640, 8060, 9932, 10478, 11842, 12415, 12896, 13520, 15280, 16120, 19864, 20956, 23684, 24830, 26195, 27040, 29605, 30560, 32240, 32279, 39728, 41912, 47368, 49660, 52390, 59210, 64480, 64558, 76973, 79456, 83824, 94736, 99320, 104780, 118420, 129116, 153946, 161395, 167648, 189472, 198640, 209560, 236840, 258232, 307892, 322790, 384865, 397280, 419120, 473680, 516464, 615784, 645580, 769730, 838240, 947360, 1000649, 1032928, 1231568, 1291160, 1539460, 2001298, 2463136, 2582320, 3078920, 4002596, 5003245, 5164640, 6157840, 8005192, 10006490, 12315680, 16010384, 20012980, 32020768, 40025960, 80051920, 160103840]

約数ペア:

[(1, 160103840), (2, 80051920), (4, 40025960), (5, 32020768), (8, 20012980), (10, 16010384), (13, 12315680), (16, 10006490), (20, 8005192), (26, 6157840), (31, 5164640), (32, 5003245), (40, 4002596), (52, 3078920), (62, 2582320), (65, 2463136), (80, 2001298), (104, 1539460), (124, 1291160), (130, 1231568), (155, 1032928), (160, 1000649), (169, 947360), (191, 838240), (208, 769730), (248, 645580), (260, 615784), (310, 516464), (338, 473680), (382, 419120), (403, 397280), (416, 384865), (496, 322790), (520, 307892), (620, 258232), (676, 236840), (764, 209560), (806, 198640), (845, 189472), (955, 167648), (992, 161395), (1040, 153946), (1240, 129116), (1352, 118420), (1528, 104780), (1612, 99320), (1690, 94736), (1910, 83824), (2015, 79456), (2080, 76973), (2480, 64558), (2483, 64480), (2704, 59210), (3056, 52390), (3224, 49660), (3380, 47368), (3820, 41912), (4030, 39728), (4960, 32279), (4966, 32240), (5239, 30560), (5408, 29605), (5921, 27040), (6112, 26195), (6448, 24830), (6760, 23684), (7640, 20956), (8060, 19864), (9932, 16120), (10478, 15280), (11842, 13520), (12415, 12896)]