161955180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1657}}^1$

素因数の和:1856

約数の個数: 96

約数和(自身を含む): 506950080

約数和(自身を除く): 344994900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 270, 362, 540, 543, 724, 905, 1086, 1629, 1657, 1810, 2172, 2715, 3258, 3314, 3620, 4887, 4971, 5430, 6516, 6628, 8145, 8285, 9774, 9942, 10860, 14913, 16290, 16570, 19548, 19884, 24435, 24855, 29826, 32580, 33140, 44739, 48870, 49710, 59652, 74565, 89478, 97740, 99420, 149130, 178956, 223695, 298260, 299917, 447390, 599834, 894780, 899751, 1199668, 1499585, 1799502, 2699253, 2999170, 3599004, 4498755, 5398506, 5998340, 8097759, 8997510, 10797012, 13496265, 16195518, 17995020, 26992530, 32391036, 40488795, 53985060, 80977590, 161955180]

約数ペア:

[(1, 161955180), (2, 80977590), (3, 53985060), (4, 40488795), (5, 32391036), (6, 26992530), (9, 17995020), (10, 16195518), (12, 13496265), (15, 10797012), (18, 8997510), (20, 8097759), (27, 5998340), (30, 5398506), (36, 4498755), (45, 3599004), (54, 2999170), (60, 2699253), (90, 1799502), (108, 1499585), (135, 1199668), (180, 899751), (181, 894780), (270, 599834), (362, 447390), (540, 299917), (543, 298260), (724, 223695), (905, 178956), (1086, 149130), (1629, 99420), (1657, 97740), (1810, 89478), (2172, 74565), (2715, 59652), (3258, 49710), (3314, 48870), (3620, 44739), (4887, 33140), (4971, 32580), (5430, 29826), (6516, 24855), (6628, 24435), (8145, 19884), (8285, 19548), (9774, 16570), (9942, 16290), (10860, 14913)]