19876247280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{378163}}^1$

素因数の和:378255

約数の個数: 120

約数和(自身を含む): 67665640848

約数和(自身を除く): 47789393568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1460, 1752, 2190, 2628, 2920, 3285, 3504, 4380, 5256, 5840, 6570, 8760, 10512, 13140, 17520, 26280, 52560, 378163, 756326, 1134489, 1512652, 1890815, 2268978, 3025304, 3403467, 3781630, 4537956, 5672445, 6050608, 6806934, 7563260, 9075912, 11344890, 13613868, 15126520, 17017335, 18151824, 22689780, 27227736, 27605899, 30253040, 34034670, 45379560, 54455472, 55211798, 68069340, 82817697, 90759120, 110423596, 136138680, 138029495, 165635394, 220847192, 248453091, 272277360, 276058990, 331270788, 414088485, 441694384, 496906182, 552117980, 662541576, 828176970, 993812364, 1104235960, 1242265455, 1325083152, 1656353940, 1987624728, 2208471920, 2484530910, 3312707880, 3975249456, 4969061820, 6625415760, 9938123640, 19876247280]

約数ペア:

[(1, 19876247280), (2, 9938123640), (3, 6625415760), (4, 4969061820), (5, 3975249456), (6, 3312707880), (8, 2484530910), (9, 2208471920), (10, 1987624728), (12, 1656353940), (15, 1325083152), (16, 1242265455), (18, 1104235960), (20, 993812364), (24, 828176970), (30, 662541576), (36, 552117980), (40, 496906182), (45, 441694384), (48, 414088485), (60, 331270788), (72, 276058990), (73, 272277360), (80, 248453091), (90, 220847192), (120, 165635394), (144, 138029495), (146, 136138680), (180, 110423596), (219, 90759120), (240, 82817697), (292, 68069340), (360, 55211798), (365, 54455472), (438, 45379560), (584, 34034670), (657, 30253040), (720, 27605899), (730, 27227736), (876, 22689780), (1095, 18151824), (1168, 17017335), (1314, 15126520), (1460, 13613868), (1752, 11344890), (2190, 9075912), (2628, 7563260), (2920, 6806934), (3285, 6050608), (3504, 5672445), (4380, 4537956), (5256, 3781630), (5840, 3403467), (6570, 3025304), (8760, 2268978), (10512, 1890815), (13140, 1512652), (17520, 1134489), (26280, 756326), (52560, 378163)]