221261880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:374

約数の個数: 256

約数和(自身を含む): 812851200

約数和(自身を除く): 591589320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 56, 58, 60, 62, 70, 84, 87, 93, 105, 116, 120, 124, 140, 145, 155, 168, 174, 186, 203, 210, 217, 232, 248, 280, 290, 293, 310, 348, 372, 406, 420, 434, 435, 465, 580, 586, 609, 620, 651, 696, 744, 812, 840, 868, 870, 879, 899, 930, 1015, 1085, 1160, 1172, 1218, 1240, 1302, 1465, 1624, 1736, 1740, 1758, 1798, 1860, 2030, 2051, 2170, 2344, 2436, 2604, 2697, 2930, 3045, 3255, 3480, 3516, 3596, 3720, 4060, 4102, 4340, 4395, 4495, 4872, 5208, 5394, 5860, 6090, 6153, 6293, 6510, 7032, 7192, 8120, 8204, 8497, 8680, 8790, 8990, 9083, 10255, 10788, 11720, 12180, 12306, 12586, 13020, 13485, 16408, 16994, 17580, 17980, 18166, 18879, 20510, 21576, 24360, 24612, 25172, 25491, 26040, 26970, 27249, 30765, 31465, 33988, 35160, 35960, 36332, 37758, 41020, 42485, 45415, 49224, 50344, 50982, 53940, 54498, 59479, 61530, 62930, 63581, 67976, 72664, 75516, 82040, 84970, 90830, 94395, 101964, 107880, 108996, 118958, 123060, 125860, 127162, 127455, 136245, 151032, 169940, 178437, 181660, 188790, 190743, 203928, 217992, 237916, 246120, 251720, 254324, 254910, 263407, 272490, 297395, 317905, 339880, 356874, 363320, 377580, 381486, 475832, 508648, 509820, 526814, 544980, 594790, 635810, 713748, 755160, 762972, 790221, 892185, 953715, 1019640, 1053628, 1089960, 1189580, 1271620, 1317035, 1427496, 1525944, 1580442, 1784370, 1843849, 1907430, 2107256, 2379160, 2543240, 2634070, 3160884, 3568740, 3687698, 3814860, 3951105, 5268140, 5531547, 6321768, 7137480, 7375396, 7629720, 7902210, 9219245, 10536280, 11063094, 14750792, 15804420, 18438490, 22126188, 27657735, 31608840, 36876980, 44252376, 55315470, 73753960, 110630940, 221261880]

約数ペア:

[(1, 221261880), (2, 110630940), (3, 73753960), (4, 55315470), (5, 44252376), (6, 36876980), (7, 31608840), (8, 27657735), (10, 22126188), (12, 18438490), (14, 15804420), (15, 14750792), (20, 11063094), (21, 10536280), (24, 9219245), (28, 7902210), (29, 7629720), (30, 7375396), (31, 7137480), (35, 6321768), (40, 5531547), (42, 5268140), (56, 3951105), (58, 3814860), (60, 3687698), (62, 3568740), (70, 3160884), (84, 2634070), (87, 2543240), (93, 2379160), (105, 2107256), (116, 1907430), (120, 1843849), (124, 1784370), (140, 1580442), (145, 1525944), (155, 1427496), (168, 1317035), (174, 1271620), (186, 1189580), (203, 1089960), (210, 1053628), (217, 1019640), (232, 953715), (248, 892185), (280, 790221), (290, 762972), (293, 755160), (310, 713748), (348, 635810), (372, 594790), (406, 544980), (420, 526814), (434, 509820), (435, 508648), (465, 475832), (580, 381486), (586, 377580), (609, 363320), (620, 356874), (651, 339880), (696, 317905), (744, 297395), (812, 272490), (840, 263407), (868, 254910), (870, 254324), (879, 251720), (899, 246120), (930, 237916), (1015, 217992), (1085, 203928), (1160, 190743), (1172, 188790), (1218, 181660), (1240, 178437), (1302, 169940), (1465, 151032), (1624, 136245), (1736, 127455), (1740, 127162), (1758, 125860), (1798, 123060), (1860, 118958), (2030, 108996), (2051, 107880), (2170, 101964), (2344, 94395), (2436, 90830), (2604, 84970), (2697, 82040), (2930, 75516), (3045, 72664), (3255, 67976), (3480, 63581), (3516, 62930), (3596, 61530), (3720, 59479), (4060, 54498), (4102, 53940), (4340, 50982), (4395, 50344), (4495, 49224), (4872, 45415), (5208, 42485), (5394, 41020), (5860, 37758), (6090, 36332), (6153, 35960), (6293, 35160), (6510, 33988), (7032, 31465), (7192, 30765), (8120, 27249), (8204, 26970), (8497, 26040), (8680, 25491), (8790, 25172), (8990, 24612), (9083, 24360), (10255, 21576), (10788, 20510), (11720, 18879), (12180, 18166), (12306, 17980), (12586, 17580), (13020, 16994), (13485, 16408)]