245853180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22391}}^1$

素因数の和:22467

約数の個数: 72

約数和(自身を含む): 758013984

約数和(自身を除く): 512160804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 22391, 44782, 67173, 89564, 111955, 134346, 201519, 223910, 268692, 335865, 403038, 447820, 671730, 806076, 1007595, 1343460, 1365851, 2015190, 2731702, 4030380, 4097553, 5463404, 6829255, 8195106, 12292659, 13658510, 16390212, 20487765, 24585318, 27317020, 40975530, 49170636, 61463295, 81951060, 122926590, 245853180]

約数ペア:

[(1, 245853180), (2, 122926590), (3, 81951060), (4, 61463295), (5, 49170636), (6, 40975530), (9, 27317020), (10, 24585318), (12, 20487765), (15, 16390212), (18, 13658510), (20, 12292659), (30, 8195106), (36, 6829255), (45, 5463404), (60, 4097553), (61, 4030380), (90, 2731702), (122, 2015190), (180, 1365851), (183, 1343460), (244, 1007595), (305, 806076), (366, 671730), (549, 447820), (610, 403038), (732, 335865), (915, 268692), (1098, 223910), (1220, 201519), (1830, 134346), (2196, 111955), (2745, 89564), (3660, 67173), (5490, 44782), (10980, 22391)]