1625820

素因数分解:

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

素因数の和:112

約数の個数: 96

約数和(自身を含む): 5376000

約数和(自身を除く): 3750180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 294, 316, 343, 395, 420, 474, 490, 553, 588, 686, 735, 790, 948, 980, 1029, 1106, 1185, 1372, 1470, 1580, 1659, 1715, 2058, 2212, 2370, 2765, 2940, 3318, 3430, 3871, 4116, 4740, 5145, 5530, 6636, 6860, 7742, 8295, 10290, 11060, 11613, 15484, 16590, 19355, 20580, 23226, 27097, 33180, 38710, 46452, 54194, 58065, 77420, 81291, 108388, 116130, 135485, 162582, 232260, 270970, 325164, 406455, 541940, 812910, 1625820]

約数ペア:

[(1, 1625820), (2, 812910), (3, 541940), (4, 406455), (5, 325164), (6, 270970), (7, 232260), (10, 162582), (12, 135485), (14, 116130), (15, 108388), (20, 81291), (21, 77420), (28, 58065), (30, 54194), (35, 46452), (42, 38710), (49, 33180), (60, 27097), (70, 23226), (79, 20580), (84, 19355), (98, 16590), (105, 15484), (140, 11613), (147, 11060), (158, 10290), (196, 8295), (210, 7742), (237, 6860), (245, 6636), (294, 5530), (316, 5145), (343, 4740), (395, 4116), (420, 3871), (474, 3430), (490, 3318), (553, 2940), (588, 2765), (686, 2370), (735, 2212), (790, 2058), (948, 1715), (980, 1659), (1029, 1580), (1106, 1470), (1185, 1372)]