520127920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 1450835712

約数和(自身を除く): 930707792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 73, 80, 85, 104, 124, 130, 136, 146, 155, 169, 170, 208, 221, 248, 260, 272, 292, 310, 338, 340, 365, 403, 442, 496, 520, 527, 584, 620, 676, 680, 730, 806, 845, 884, 949, 1040, 1054, 1105, 1168, 1240, 1241, 1352, 1360, 1460, 1612, 1690, 1768, 1898, 2015, 2108, 2210, 2263, 2480, 2482, 2635, 2704, 2873, 2920, 3224, 3380, 3536, 3796, 4030, 4216, 4420, 4526, 4745, 4964, 5239, 5270, 5746, 5840, 6205, 6448, 6760, 6851, 7592, 8060, 8432, 8840, 9052, 9490, 9928, 10478, 10540, 11315, 11492, 12337, 12410, 13520, 13702, 14365, 15184, 16120, 16133, 17680, 18104, 18980, 19856, 20956, 21080, 22630, 22984, 24674, 24820, 26195, 27404, 28730, 29419, 32240, 32266, 34255, 36208, 37960, 38471, 41912, 42160, 45260, 45968, 49348, 49640, 52390, 54808, 57460, 58838, 61685, 64532, 68510, 75920, 76942, 80665, 83824, 89063, 90520, 98696, 99280, 104780, 109616, 114920, 117676, 123370, 129064, 137020, 147095, 153884, 161330, 178126, 181040, 192355, 197392, 209560, 209729, 229840, 235352, 246740, 258128, 274040, 294190, 307768, 322660, 356252, 382447, 384710, 419120, 419458, 445315, 470704, 493480, 500123, 548080, 588380, 615536, 645320, 712504, 764894, 769420, 838916, 890630, 986960, 1000246, 1048645, 1176760, 1290640, 1425008, 1529788, 1538840, 1677832, 1781260, 1912235, 2000492, 2097290, 2353520, 2500615, 3059576, 3077680, 3355664, 3562520, 3824470, 4000984, 4194580, 5001230, 6119152, 6501599, 7125040, 7648940, 8001968, 8389160, 10002460, 13003198, 15297880, 16778320, 20004920, 26006396, 30595760, 32507995, 40009840, 52012792, 65015990, 104025584, 130031980, 260063960, 520127920]

約数ペア:

[(1, 520127920), (2, 260063960), (4, 130031980), (5, 104025584), (8, 65015990), (10, 52012792), (13, 40009840), (16, 32507995), (17, 30595760), (20, 26006396), (26, 20004920), (31, 16778320), (34, 15297880), (40, 13003198), (52, 10002460), (62, 8389160), (65, 8001968), (68, 7648940), (73, 7125040), (80, 6501599), (85, 6119152), (104, 5001230), (124, 4194580), (130, 4000984), (136, 3824470), (146, 3562520), (155, 3355664), (169, 3077680), (170, 3059576), (208, 2500615), (221, 2353520), (248, 2097290), (260, 2000492), (272, 1912235), (292, 1781260), (310, 1677832), (338, 1538840), (340, 1529788), (365, 1425008), (403, 1290640), (442, 1176760), (496, 1048645), (520, 1000246), (527, 986960), (584, 890630), (620, 838916), (676, 769420), (680, 764894), (730, 712504), (806, 645320), (845, 615536), (884, 588380), (949, 548080), (1040, 500123), (1054, 493480), (1105, 470704), (1168, 445315), (1240, 419458), (1241, 419120), (1352, 384710), (1360, 382447), (1460, 356252), (1612, 322660), (1690, 307768), (1768, 294190), (1898, 274040), (2015, 258128), (2108, 246740), (2210, 235352), (2263, 229840), (2480, 209729), (2482, 209560), (2635, 197392), (2704, 192355), (2873, 181040), (2920, 178126), (3224, 161330), (3380, 153884), (3536, 147095), (3796, 137020), (4030, 129064), (4216, 123370), (4420, 117676), (4526, 114920), (4745, 109616), (4964, 104780), (5239, 99280), (5270, 98696), (5746, 90520), (5840, 89063), (6205, 83824), (6448, 80665), (6760, 76942), (6851, 75920), (7592, 68510), (8060, 64532), (8432, 61685), (8840, 58838), (9052, 57460), (9490, 54808), (9928, 52390), (10478, 49640), (10540, 49348), (11315, 45968), (11492, 45260), (12337, 42160), (12410, 41912), (13520, 38471), (13702, 37960), (14365, 36208), (15184, 34255), (16120, 32266), (16133, 32240), (17680, 29419), (18104, 28730), (18980, 27404), (19856, 26195), (20956, 24820), (21080, 24674), (22630, 22984)]