81877080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35911}}^1$

素因数の和:35944

約数の個数: 64

約数和(自身を含む): 258566400

約数和(自身を除く): 176689320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35911, 71822, 107733, 143644, 179555, 215466, 287288, 359110, 430932, 538665, 682309, 718220, 861864, 1077330, 1364618, 1436440, 2046927, 2154660, 2729236, 3411545, 4093854, 4309320, 5458472, 6823090, 8187708, 10234635, 13646180, 16375416, 20469270, 27292360, 40938540, 81877080]

約数ペア:

[(1, 81877080), (2, 40938540), (3, 27292360), (4, 20469270), (5, 16375416), (6, 13646180), (8, 10234635), (10, 8187708), (12, 6823090), (15, 5458472), (19, 4309320), (20, 4093854), (24, 3411545), (30, 2729236), (38, 2154660), (40, 2046927), (57, 1436440), (60, 1364618), (76, 1077330), (95, 861864), (114, 718220), (120, 682309), (152, 538665), (190, 430932), (228, 359110), (285, 287288), (380, 215466), (456, 179555), (570, 143644), (760, 107733), (1140, 71822), (2280, 35911)]