80019680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 225566208

約数和(自身を除く): 145546528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 65, 68, 73, 80, 85, 104, 124, 130, 136, 146, 155, 160, 170, 208, 221, 248, 260, 272, 292, 310, 340, 365, 403, 416, 442, 496, 520, 527, 544, 584, 620, 680, 730, 806, 884, 949, 992, 1040, 1054, 1105, 1168, 1240, 1241, 1360, 1460, 1612, 1768, 1898, 2015, 2080, 2108, 2210, 2263, 2336, 2480, 2482, 2635, 2720, 2920, 3224, 3536, 3796, 4030, 4216, 4420, 4526, 4745, 4960, 4964, 5270, 5840, 6205, 6448, 6851, 7072, 7592, 8060, 8432, 8840, 9052, 9490, 9928, 10540, 11315, 11680, 12410, 12896, 13702, 15184, 16120, 16133, 16864, 17680, 18104, 18980, 19856, 21080, 22630, 24820, 27404, 29419, 30368, 32240, 32266, 34255, 35360, 36208, 37960, 38471, 39712, 42160, 45260, 49640, 54808, 58838, 64480, 64532, 68510, 72416, 75920, 76942, 80665, 84320, 90520, 99280, 109616, 117676, 129064, 137020, 147095, 151840, 153884, 161330, 181040, 192355, 198560, 219232, 235352, 258128, 274040, 294190, 307768, 322660, 362080, 384710, 470704, 500123, 516256, 548080, 588380, 615536, 645320, 769420, 941408, 1000246, 1096160, 1176760, 1231072, 1290640, 1538840, 2000492, 2353520, 2500615, 2581280, 3077680, 4000984, 4707040, 5001230, 6155360, 8001968, 10002460, 16003936, 20004920, 40009840, 80019680]

約数ペア:

[(1, 80019680), (2, 40009840), (4, 20004920), (5, 16003936), (8, 10002460), (10, 8001968), (13, 6155360), (16, 5001230), (17, 4707040), (20, 4000984), (26, 3077680), (31, 2581280), (32, 2500615), (34, 2353520), (40, 2000492), (52, 1538840), (62, 1290640), (65, 1231072), (68, 1176760), (73, 1096160), (80, 1000246), (85, 941408), (104, 769420), (124, 645320), (130, 615536), (136, 588380), (146, 548080), (155, 516256), (160, 500123), (170, 470704), (208, 384710), (221, 362080), (248, 322660), (260, 307768), (272, 294190), (292, 274040), (310, 258128), (340, 235352), (365, 219232), (403, 198560), (416, 192355), (442, 181040), (496, 161330), (520, 153884), (527, 151840), (544, 147095), (584, 137020), (620, 129064), (680, 117676), (730, 109616), (806, 99280), (884, 90520), (949, 84320), (992, 80665), (1040, 76942), (1054, 75920), (1105, 72416), (1168, 68510), (1240, 64532), (1241, 64480), (1360, 58838), (1460, 54808), (1612, 49640), (1768, 45260), (1898, 42160), (2015, 39712), (2080, 38471), (2108, 37960), (2210, 36208), (2263, 35360), (2336, 34255), (2480, 32266), (2482, 32240), (2635, 30368), (2720, 29419), (2920, 27404), (3224, 24820), (3536, 22630), (3796, 21080), (4030, 19856), (4216, 18980), (4420, 18104), (4526, 17680), (4745, 16864), (4960, 16133), (4964, 16120), (5270, 15184), (5840, 13702), (6205, 12896), (6448, 12410), (6851, 11680), (7072, 11315), (7592, 10540), (8060, 9928), (8432, 9490), (8840, 9052)]