178490970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{631}}^1$

素因数の和:1100

約数の個数: 96

約数和(自身を含む): 532396800

約数和(自身を除く): 353905830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 449, 630, 631, 898, 1262, 1347, 1893, 2245, 2694, 3143, 3155, 3786, 4041, 4417, 4490, 5679, 6286, 6310, 6735, 8082, 8834, 9429, 9465, 11358, 13251, 13470, 15715, 18858, 18930, 20205, 22085, 26502, 28287, 28395, 31430, 39753, 40410, 44170, 47145, 56574, 56790, 66255, 79506, 94290, 132510, 141435, 198765, 282870, 283319, 397530, 566638, 849957, 1416595, 1699914, 1983233, 2549871, 2833190, 3966466, 4249785, 5099742, 5949699, 8499570, 9916165, 11899398, 12749355, 17849097, 19832330, 25498710, 29748495, 35698194, 59496990, 89245485, 178490970]

約数ペア:

[(1, 178490970), (2, 89245485), (3, 59496990), (5, 35698194), (6, 29748495), (7, 25498710), (9, 19832330), (10, 17849097), (14, 12749355), (15, 11899398), (18, 9916165), (21, 8499570), (30, 5949699), (35, 5099742), (42, 4249785), (45, 3966466), (63, 2833190), (70, 2549871), (90, 1983233), (105, 1699914), (126, 1416595), (210, 849957), (315, 566638), (449, 397530), (630, 283319), (631, 282870), (898, 198765), (1262, 141435), (1347, 132510), (1893, 94290), (2245, 79506), (2694, 66255), (3143, 56790), (3155, 56574), (3786, 47145), (4041, 44170), (4417, 40410), (4490, 39753), (5679, 31430), (6286, 28395), (6310, 28287), (6735, 26502), (8082, 22085), (8834, 20205), (9429, 18930), (9465, 18858), (11358, 15715), (13251, 13470)]