178779780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1181}}^1$

素因数の和:1254

約数の個数: 108

約数和(自身を含む): 562119012

約数和(自身を除く): 383339232

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 841, 870, 1044, 1181, 1305, 1682, 1740, 2362, 2523, 2610, 3364, 3543, 4205, 4724, 5046, 5220, 5905, 7086, 7569, 8410, 10092, 10629, 11810, 12615, 14172, 15138, 16820, 17715, 21258, 23620, 25230, 30276, 34249, 35430, 37845, 42516, 50460, 53145, 68498, 70860, 75690, 102747, 106290, 136996, 151380, 171245, 205494, 212580, 308241, 342490, 410988, 513735, 616482, 684980, 993221, 1027470, 1232964, 1541205, 1986442, 2054940, 2979663, 3082410, 3972884, 4966105, 5959326, 6164820, 8938989, 9932210, 11918652, 14898315, 17877978, 19864420, 29796630, 35755956, 44694945, 59593260, 89389890, 178779780]

約数ペア:

[(1, 178779780), (2, 89389890), (3, 59593260), (4, 44694945), (5, 35755956), (6, 29796630), (9, 19864420), (10, 17877978), (12, 14898315), (15, 11918652), (18, 9932210), (20, 8938989), (29, 6164820), (30, 5959326), (36, 4966105), (45, 3972884), (58, 3082410), (60, 2979663), (87, 2054940), (90, 1986442), (116, 1541205), (145, 1232964), (174, 1027470), (180, 993221), (261, 684980), (290, 616482), (348, 513735), (435, 410988), (522, 342490), (580, 308241), (841, 212580), (870, 205494), (1044, 171245), (1181, 151380), (1305, 136996), (1682, 106290), (1740, 102747), (2362, 75690), (2523, 70860), (2610, 68498), (3364, 53145), (3543, 50460), (4205, 42516), (4724, 37845), (5046, 35430), (5220, 34249), (5905, 30276), (7086, 25230), (7569, 23620), (8410, 21258), (10092, 17715), (10629, 16820), (11810, 15138), (12615, 14172)]