18467280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2005

約数の個数: 120

約数和(自身を含む): 66823848

約数和(自身を除く): 48356568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 1973, 2340, 3120, 3946, 4680, 5919, 7892, 9360, 9865, 11838, 15784, 17757, 19730, 23676, 25649, 29595, 31568, 35514, 39460, 47352, 51298, 59190, 71028, 76947, 78920, 88785, 94704, 102596, 118380, 128245, 142056, 153894, 157840, 177570, 205192, 230841, 236760, 256490, 284112, 307788, 355140, 384735, 410384, 461682, 473520, 512980, 615576, 710280, 769470, 923364, 1025960, 1154205, 1231152, 1420560, 1538940, 1846728, 2051920, 2308410, 3077880, 3693456, 4616820, 6155760, 9233640, 18467280]

約数ペア:

[(1, 18467280), (2, 9233640), (3, 6155760), (4, 4616820), (5, 3693456), (6, 3077880), (8, 2308410), (9, 2051920), (10, 1846728), (12, 1538940), (13, 1420560), (15, 1231152), (16, 1154205), (18, 1025960), (20, 923364), (24, 769470), (26, 710280), (30, 615576), (36, 512980), (39, 473520), (40, 461682), (45, 410384), (48, 384735), (52, 355140), (60, 307788), (65, 284112), (72, 256490), (78, 236760), (80, 230841), (90, 205192), (104, 177570), (117, 157840), (120, 153894), (130, 142056), (144, 128245), (156, 118380), (180, 102596), (195, 94704), (208, 88785), (234, 78920), (240, 76947), (260, 71028), (312, 59190), (360, 51298), (390, 47352), (468, 39460), (520, 35514), (585, 31568), (624, 29595), (720, 25649), (780, 23676), (936, 19730), (1040, 17757), (1170, 15784), (1560, 11838), (1872, 9865), (1973, 9360), (2340, 7892), (3120, 5919), (3946, 4680)]