128342160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:865

約数の個数: 120

約数和(自身を含む): 433063800

約数和(自身を除く): 304721640

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, 397, 449, 720, 794, 898, 1191, 1347, 1588, 1796, 1985, 2245, 2382, 2694, 3176, 3573, 3592, 3970, 4041, 4490, 4764, 5388, 5955, 6352, 6735, 7146, 7184, 7940, 8082, 8980, 9528, 10776, 11910, 13470, 14292, 15880, 16164, 17865, 17960, 19056, 20205, 21552, 23820, 26940, 28584, 31760, 32328, 35730, 35920, 40410, 47640, 53880, 57168, 64656, 71460, 80820, 95280, 107760, 142920, 161640, 178253, 285840, 323280, 356506, 534759, 713012, 891265, 1069518, 1426024, 1604277, 1782530, 2139036, 2673795, 2852048, 3208554, 3565060, 4278072, 5347590, 6417108, 7130120, 8021385, 8556144, 10695180, 12834216, 14260240, 16042770, 21390360, 25668432, 32085540, 42780720, 64171080, 128342160]

約数ペア:

[(1, 128342160), (2, 64171080), (3, 42780720), (4, 32085540), (5, 25668432), (6, 21390360), (8, 16042770), (9, 14260240), (10, 12834216), (12, 10695180), (15, 8556144), (16, 8021385), (18, 7130120), (20, 6417108), (24, 5347590), (30, 4278072), (36, 3565060), (40, 3208554), (45, 2852048), (48, 2673795), (60, 2139036), (72, 1782530), (80, 1604277), (90, 1426024), (120, 1069518), (144, 891265), (180, 713012), (240, 534759), (360, 356506), (397, 323280), (449, 285840), (720, 178253), (794, 161640), (898, 142920), (1191, 107760), (1347, 95280), (1588, 80820), (1796, 71460), (1985, 64656), (2245, 57168), (2382, 53880), (2694, 47640), (3176, 40410), (3573, 35920), (3592, 35730), (3970, 32328), (4041, 31760), (4490, 28584), (4764, 26940), (5388, 23820), (5955, 21552), (6352, 20205), (6735, 19056), (7146, 17960), (7184, 17865), (7940, 16164), (8082, 15880), (8980, 14292), (9528, 13470), (10776, 11910)]