120821260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 315318528

約数和(自身を除く): 194497268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 49, 62, 70, 82, 97, 98, 124, 140, 155, 164, 194, 196, 205, 217, 245, 287, 310, 388, 410, 434, 485, 490, 574, 620, 679, 820, 868, 970, 980, 1085, 1148, 1271, 1358, 1435, 1519, 1940, 2009, 2170, 2542, 2716, 2870, 3007, 3038, 3395, 3977, 4018, 4340, 4753, 5084, 5740, 6014, 6076, 6355, 6790, 7595, 7954, 8036, 8897, 9506, 10045, 12028, 12710, 13580, 15035, 15190, 15908, 17794, 19012, 19885, 20090, 21049, 23765, 25420, 27839, 30070, 30380, 35588, 39770, 40180, 42098, 44485, 47530, 55678, 60140, 62279, 79540, 84196, 88970, 95060, 105245, 111356, 123287, 124558, 139195, 147343, 177940, 194873, 210490, 246574, 249116, 278390, 294686, 311395, 389746, 420980, 493148, 556780, 589372, 616435, 622790, 736715, 779492, 863009, 974365, 1232870, 1245580, 1473430, 1726018, 1948730, 2465740, 2946860, 3452036, 3897460, 4315045, 6041063, 8630090, 12082126, 17260180, 24164252, 30205315, 60410630, 120821260]

約数ペア:

[(1, 120821260), (2, 60410630), (4, 30205315), (5, 24164252), (7, 17260180), (10, 12082126), (14, 8630090), (20, 6041063), (28, 4315045), (31, 3897460), (35, 3452036), (41, 2946860), (49, 2465740), (62, 1948730), (70, 1726018), (82, 1473430), (97, 1245580), (98, 1232870), (124, 974365), (140, 863009), (155, 779492), (164, 736715), (194, 622790), (196, 616435), (205, 589372), (217, 556780), (245, 493148), (287, 420980), (310, 389746), (388, 311395), (410, 294686), (434, 278390), (485, 249116), (490, 246574), (574, 210490), (620, 194873), (679, 177940), (820, 147343), (868, 139195), (970, 124558), (980, 123287), (1085, 111356), (1148, 105245), (1271, 95060), (1358, 88970), (1435, 84196), (1519, 79540), (1940, 62279), (2009, 60140), (2170, 55678), (2542, 47530), (2716, 44485), (2870, 42098), (3007, 40180), (3038, 39770), (3395, 35588), (3977, 30380), (4018, 30070), (4340, 27839), (4753, 25420), (5084, 23765), (5740, 21049), (6014, 20090), (6076, 19885), (6355, 19012), (6790, 17794), (7595, 15908), (7954, 15190), (8036, 15035), (8897, 13580), (9506, 12710), (10045, 12028)]