1221828720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1108

約数の個数: 240

約数和(自身を含む): 4451822208

約数和(自身を除く): 3229993488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 107, 112, 120, 140, 147, 168, 196, 210, 214, 240, 245, 280, 294, 321, 336, 392, 420, 428, 490, 535, 560, 588, 642, 735, 749, 784, 840, 856, 971, 980, 1070, 1176, 1284, 1470, 1498, 1605, 1680, 1712, 1942, 1960, 2140, 2247, 2352, 2568, 2913, 2940, 2996, 3210, 3745, 3884, 3920, 4280, 4494, 4855, 5136, 5243, 5826, 5880, 5992, 6420, 6797, 7490, 7768, 8560, 8988, 9710, 10486, 11235, 11652, 11760, 11984, 12840, 13594, 14565, 14980, 15536, 15729, 17976, 19420, 20391, 20972, 22470, 23304, 25680, 26215, 27188, 29130, 29960, 31458, 33985, 35952, 38840, 40782, 41944, 44940, 46608, 47579, 52430, 54376, 58260, 59920, 62916, 67970, 77680, 78645, 81564, 83888, 89880, 95158, 101955, 103897, 104860, 108752, 116520, 125832, 135940, 142737, 157290, 163128, 179760, 190316, 203910, 207794, 209720, 233040, 237895, 251664, 271880, 285474, 311691, 314580, 326256, 380632, 407820, 415588, 419440, 475790, 519485, 543760, 570948, 623382, 629160, 713685, 727279, 761264, 815640, 831176, 951580, 1038970, 1141896, 1246764, 1258320, 1427370, 1454558, 1558455, 1631280, 1662352, 1903160, 2077940, 2181837, 2283792, 2493528, 2854740, 2909116, 3116910, 3636395, 3806320, 4155880, 4363674, 4987056, 5090953, 5709480, 5818232, 6233820, 7272790, 8311760, 8727348, 10181906, 10909185, 11418960, 11636464, 12467640, 14545580, 15272859, 17454696, 20363812, 21818370, 24935280, 25454765, 29091160, 30545718, 34909392, 40727624, 43636740, 50909530, 58182320, 61091436, 76364295, 81455248, 87273480, 101819060, 122182872, 152728590, 174546960, 203638120, 244365744, 305457180, 407276240, 610914360, 1221828720]

約数ペア:

[(1, 1221828720), (2, 610914360), (3, 407276240), (4, 305457180), (5, 244365744), (6, 203638120), (7, 174546960), (8, 152728590), (10, 122182872), (12, 101819060), (14, 87273480), (15, 81455248), (16, 76364295), (20, 61091436), (21, 58182320), (24, 50909530), (28, 43636740), (30, 40727624), (35, 34909392), (40, 30545718), (42, 29091160), (48, 25454765), (49, 24935280), (56, 21818370), (60, 20363812), (70, 17454696), (80, 15272859), (84, 14545580), (98, 12467640), (105, 11636464), (107, 11418960), (112, 10909185), (120, 10181906), (140, 8727348), (147, 8311760), (168, 7272790), (196, 6233820), (210, 5818232), (214, 5709480), (240, 5090953), (245, 4987056), (280, 4363674), (294, 4155880), (321, 3806320), (336, 3636395), (392, 3116910), (420, 2909116), (428, 2854740), (490, 2493528), (535, 2283792), (560, 2181837), (588, 2077940), (642, 1903160), (735, 1662352), (749, 1631280), (784, 1558455), (840, 1454558), (856, 1427370), (971, 1258320), (980, 1246764), (1070, 1141896), (1176, 1038970), (1284, 951580), (1470, 831176), (1498, 815640), (1605, 761264), (1680, 727279), (1712, 713685), (1942, 629160), (1960, 623382), (2140, 570948), (2247, 543760), (2352, 519485), (2568, 475790), (2913, 419440), (2940, 415588), (2996, 407820), (3210, 380632), (3745, 326256), (3884, 314580), (3920, 311691), (4280, 285474), (4494, 271880), (4855, 251664), (5136, 237895), (5243, 233040), (5826, 209720), (5880, 207794), (5992, 203910), (6420, 190316), (6797, 179760), (7490, 163128), (7768, 157290), (8560, 142737), (8988, 135940), (9710, 125832), (10486, 116520), (11235, 108752), (11652, 104860), (11760, 103897), (11984, 101955), (12840, 95158), (13594, 89880), (14565, 83888), (14980, 81564), (15536, 78645), (15729, 77680), (17976, 67970), (19420, 62916), (20391, 59920), (20972, 58260), (22470, 54376), (23304, 52430), (25680, 47579), (26215, 46608), (27188, 44940), (29130, 41944), (29960, 40782), (31458, 38840), (33985, 35952)]