178025820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3232

約数の個数: 144

約数和(自身を含む): 610565760

約数和(自身を除く): 432539940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3187, 3724, 3990, 4655, 5586, 6374, 7980, 9310, 9561, 11172, 12748, 13965, 15935, 18620, 19122, 22309, 27930, 31870, 38244, 44618, 47805, 55860, 60553, 63740, 66927, 89236, 95610, 111545, 121106, 133854, 156163, 181659, 191220, 223090, 242212, 267708, 302765, 312326, 334635, 363318, 423871, 446180, 468489, 605530, 624652, 669270, 726636, 780815, 847742, 908295, 936978, 1211060, 1271613, 1338540, 1561630, 1695484, 1816590, 1873956, 2119355, 2342445, 2543226, 2967097, 3123260, 3633180, 4238710, 4684890, 5086452, 5934194, 6358065, 8477420, 8901291, 9369780, 11868388, 12716130, 14835485, 17802582, 25432260, 29670970, 35605164, 44506455, 59341940, 89012910, 178025820]

約数ペア:

[(1, 178025820), (2, 89012910), (3, 59341940), (4, 44506455), (5, 35605164), (6, 29670970), (7, 25432260), (10, 17802582), (12, 14835485), (14, 12716130), (15, 11868388), (19, 9369780), (20, 8901291), (21, 8477420), (28, 6358065), (30, 5934194), (35, 5086452), (38, 4684890), (42, 4238710), (49, 3633180), (57, 3123260), (60, 2967097), (70, 2543226), (76, 2342445), (84, 2119355), (95, 1873956), (98, 1816590), (105, 1695484), (114, 1561630), (133, 1338540), (140, 1271613), (147, 1211060), (190, 936978), (196, 908295), (210, 847742), (228, 780815), (245, 726636), (266, 669270), (285, 624652), (294, 605530), (380, 468489), (399, 446180), (420, 423871), (490, 363318), (532, 334635), (570, 312326), (588, 302765), (665, 267708), (735, 242212), (798, 223090), (931, 191220), (980, 181659), (1140, 156163), (1330, 133854), (1470, 121106), (1596, 111545), (1862, 95610), (1995, 89236), (2660, 66927), (2793, 63740), (2940, 60553), (3187, 55860), (3724, 47805), (3990, 44618), (4655, 38244), (5586, 31870), (6374, 27930), (7980, 22309), (9310, 19122), (9561, 18620), (11172, 15935), (12748, 13965)]