2178254340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{7703}}^1$

素因数の和:9289

約数の個数: 72

約数和(自身を含む): 6612435648

約数和(自身を除く): 4434181308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1571, 3142, 4713, 6284, 7703, 7855, 9426, 14139, 15406, 15710, 18852, 23109, 23565, 28278, 30812, 31420, 38515, 46218, 47130, 56556, 69327, 70695, 77030, 92436, 94260, 115545, 138654, 141390, 154060, 231090, 277308, 282780, 346635, 462180, 693270, 1386540, 12101413, 24202826, 36304239, 48405652, 60507065, 72608478, 108912717, 121014130, 145216956, 181521195, 217825434, 242028260, 363042390, 435650868, 544563585, 726084780, 1089127170, 2178254340]

約数ペア:

[(1, 2178254340), (2, 1089127170), (3, 726084780), (4, 544563585), (5, 435650868), (6, 363042390), (9, 242028260), (10, 217825434), (12, 181521195), (15, 145216956), (18, 121014130), (20, 108912717), (30, 72608478), (36, 60507065), (45, 48405652), (60, 36304239), (90, 24202826), (180, 12101413), (1571, 1386540), (3142, 693270), (4713, 462180), (6284, 346635), (7703, 282780), (7855, 277308), (9426, 231090), (14139, 154060), (15406, 141390), (15710, 138654), (18852, 115545), (23109, 94260), (23565, 92436), (28278, 77030), (30812, 70695), (31420, 69327), (38515, 56556), (46218, 47130)]