201719520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2065

約数の個数: 144

約数和(自身を含む): 698416992

約数和(自身を除く): 496697472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 1973, 2130, 2272, 2556, 2840, 3195, 3408, 3946, 4260, 5112, 5680, 5919, 6390, 6816, 7892, 8520, 9865, 10224, 11360, 11838, 12780, 15784, 17040, 17757, 19730, 20448, 23676, 25560, 29595, 31568, 34080, 35514, 39460, 47352, 51120, 59190, 63136, 71028, 78920, 88785, 94704, 102240, 118380, 140083, 142056, 157840, 177570, 189408, 236760, 280166, 284112, 315680, 355140, 420249, 473520, 560332, 568224, 700415, 710280, 840498, 947040, 1120664, 1260747, 1400830, 1420560, 1680996, 2101245, 2241328, 2521494, 2801660, 2841120, 3361992, 4202490, 4482656, 5042988, 5603320, 6303735, 6723984, 8404980, 10085976, 11206640, 12607470, 13447968, 16809960, 20171952, 22413280, 25214940, 33619920, 40343904, 50429880, 67239840, 100859760, 201719520]

約数ペア:

[(1, 201719520), (2, 100859760), (3, 67239840), (4, 50429880), (5, 40343904), (6, 33619920), (8, 25214940), (9, 22413280), (10, 20171952), (12, 16809960), (15, 13447968), (16, 12607470), (18, 11206640), (20, 10085976), (24, 8404980), (30, 6723984), (32, 6303735), (36, 5603320), (40, 5042988), (45, 4482656), (48, 4202490), (60, 3361992), (71, 2841120), (72, 2801660), (80, 2521494), (90, 2241328), (96, 2101245), (120, 1680996), (142, 1420560), (144, 1400830), (160, 1260747), (180, 1120664), (213, 947040), (240, 840498), (284, 710280), (288, 700415), (355, 568224), (360, 560332), (426, 473520), (480, 420249), (568, 355140), (639, 315680), (710, 284112), (720, 280166), (852, 236760), (1065, 189408), (1136, 177570), (1278, 157840), (1420, 142056), (1440, 140083), (1704, 118380), (1973, 102240), (2130, 94704), (2272, 88785), (2556, 78920), (2840, 71028), (3195, 63136), (3408, 59190), (3946, 51120), (4260, 47352), (5112, 39460), (5680, 35514), (5919, 34080), (6390, 31568), (6816, 29595), (7892, 25560), (8520, 23676), (9865, 20448), (10224, 19730), (11360, 17757), (11838, 17040), (12780, 15784)]