18967920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4649}}^1$

素因数の和:4682

約数の個数: 80

約数和(自身を含む): 62272800

約数和(自身を除く): 43304880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4649, 9298, 13947, 18596, 23245, 27894, 37192, 46490, 55788, 69735, 74384, 79033, 92980, 111576, 139470, 158066, 185960, 223152, 237099, 278940, 316132, 371920, 395165, 474198, 557880, 632264, 790330, 948396, 1115760, 1185495, 1264528, 1580660, 1896792, 2370990, 3161320, 3793584, 4741980, 6322640, 9483960, 18967920]

約数ペア:

[(1, 18967920), (2, 9483960), (3, 6322640), (4, 4741980), (5, 3793584), (6, 3161320), (8, 2370990), (10, 1896792), (12, 1580660), (15, 1264528), (16, 1185495), (17, 1115760), (20, 948396), (24, 790330), (30, 632264), (34, 557880), (40, 474198), (48, 395165), (51, 371920), (60, 316132), (68, 278940), (80, 237099), (85, 223152), (102, 185960), (120, 158066), (136, 139470), (170, 111576), (204, 92980), (240, 79033), (255, 74384), (272, 69735), (340, 55788), (408, 46490), (510, 37192), (680, 27894), (816, 23245), (1020, 18596), (1360, 13947), (2040, 9298), (4080, 4649)]