18677880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 65945880

約数和(自身を除く): 47268000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 307, 312, 338, 360, 390, 468, 507, 520, 585, 614, 676, 780, 845, 921, 936, 1014, 1170, 1228, 1352, 1521, 1535, 1560, 1690, 1842, 2028, 2340, 2456, 2535, 2763, 3042, 3070, 3380, 3684, 3991, 4056, 4605, 4680, 5070, 5526, 6084, 6140, 6760, 7368, 7605, 7982, 9210, 10140, 11052, 11973, 12168, 12280, 13815, 15210, 15964, 18420, 19955, 20280, 22104, 23946, 27630, 30420, 31928, 35919, 36840, 39910, 47892, 51883, 55260, 59865, 60840, 71838, 79820, 95784, 103766, 110520, 119730, 143676, 155649, 159640, 179595, 207532, 239460, 259415, 287352, 311298, 359190, 415064, 466947, 478920, 518830, 622596, 718380, 778245, 933894, 1037660, 1245192, 1436760, 1556490, 1867788, 2075320, 2334735, 3112980, 3735576, 4669470, 6225960, 9338940, 18677880]

約数ペア:

[(1, 18677880), (2, 9338940), (3, 6225960), (4, 4669470), (5, 3735576), (6, 3112980), (8, 2334735), (9, 2075320), (10, 1867788), (12, 1556490), (13, 1436760), (15, 1245192), (18, 1037660), (20, 933894), (24, 778245), (26, 718380), (30, 622596), (36, 518830), (39, 478920), (40, 466947), (45, 415064), (52, 359190), (60, 311298), (65, 287352), (72, 259415), (78, 239460), (90, 207532), (104, 179595), (117, 159640), (120, 155649), (130, 143676), (156, 119730), (169, 110520), (180, 103766), (195, 95784), (234, 79820), (260, 71838), (307, 60840), (312, 59865), (338, 55260), (360, 51883), (390, 47892), (468, 39910), (507, 36840), (520, 35919), (585, 31928), (614, 30420), (676, 27630), (780, 23946), (845, 22104), (921, 20280), (936, 19955), (1014, 18420), (1170, 15964), (1228, 15210), (1352, 13815), (1521, 12280), (1535, 12168), (1560, 11973), (1690, 11052), (1842, 10140), (2028, 9210), (2340, 7982), (2456, 7605), (2535, 7368), (2763, 6760), (3042, 6140), (3070, 6084), (3380, 5526), (3684, 5070), (3991, 4680), (4056, 4605)]