30900.000000

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 64

約数和(自身を含む): 2304000

約数和(自身を除く): 1491090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 79, 98, 105, 147, 158, 210, 237, 245, 294, 343, 395, 474, 490, 553, 686, 735, 790, 1029, 1106, 1185, 1470, 1659, 1715, 2058, 2370, 2765, 3318, 3430, 3871, 5145, 5530, 7742, 8295, 10290, 11613, 16590, 19355, 23226, 27097, 38710, 54194, 58065, 81291, 116130, 135485, 162582, 270970, 406455, 812910]

約数ペア:

[(1, 812910), (2, 406455), (3, 270970), (5, 162582), (6, 135485), (7, 116130), (10, 81291), (14, 58065), (15, 54194), (21, 38710), (30, 27097), (35, 23226), (42, 19355), (49, 16590), (70, 11613), (79, 10290), (98, 8295), (105, 7742), (147, 5530), (158, 5145), (210, 3871), (237, 3430), (245, 3318), (294, 2765), (343, 2370), (395, 2058), (474, 1715), (490, 1659), (553, 1470), (686, 1185), (735, 1106), (790, 1029)]