320867280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{445649}}^1$

素因数の和:445668

約数の個数: 60

約数和(自身を含む): 1077581700

約数和(自身を除く): 756714420

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, 80, 90, 120, 144, 180, 240, 360, 720, 445649, 891298, 1336947, 1782596, 2228245, 2673894, 3565192, 4010841, 4456490, 5347788, 6684735, 7130384, 8021682, 8912980, 10695576, 13369470, 16043364, 17825960, 20054205, 21391152, 26738940, 32086728, 35651920, 40108410, 53477880, 64173456, 80216820, 106955760, 160433640, 320867280]

約数ペア:

[(1, 320867280), (2, 160433640), (3, 106955760), (4, 80216820), (5, 64173456), (6, 53477880), (8, 40108410), (9, 35651920), (10, 32086728), (12, 26738940), (15, 21391152), (16, 20054205), (18, 17825960), (20, 16043364), (24, 13369470), (30, 10695576), (36, 8912980), (40, 8021682), (45, 7130384), (48, 6684735), (60, 5347788), (72, 4456490), (80, 4010841), (90, 3565192), (120, 2673894), (144, 2228245), (180, 1782596), (240, 1336947), (360, 891298), (720, 445649)]