121296840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{733}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 418556160

約数和(自身を除く): 297259320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 733, 788, 840, 985, 1182, 1379, 1466, 1576, 1970, 2199, 2364, 2758, 2932, 2955, 3665, 3940, 4137, 4398, 4728, 5131, 5516, 5864, 5910, 6895, 7330, 7880, 8274, 8796, 10262, 10995, 11032, 11820, 13790, 14660, 15393, 16548, 17592, 20524, 20685, 21990, 23640, 25655, 27580, 29320, 30786, 33096, 41048, 41370, 43980, 51310, 55160, 61572, 76965, 82740, 87960, 102620, 123144, 144401, 153930, 165480, 205240, 288802, 307860, 433203, 577604, 615720, 722005, 866406, 1010807, 1155208, 1444010, 1732812, 2021614, 2166015, 2888020, 3032421, 3465624, 4043228, 4332030, 5054035, 5776040, 6064842, 8086456, 8664060, 10108070, 12129684, 15162105, 17328120, 20216140, 24259368, 30324210, 40432280, 60648420, 121296840]

約数ペア:

[(1, 121296840), (2, 60648420), (3, 40432280), (4, 30324210), (5, 24259368), (6, 20216140), (7, 17328120), (8, 15162105), (10, 12129684), (12, 10108070), (14, 8664060), (15, 8086456), (20, 6064842), (21, 5776040), (24, 5054035), (28, 4332030), (30, 4043228), (35, 3465624), (40, 3032421), (42, 2888020), (56, 2166015), (60, 2021614), (70, 1732812), (84, 1444010), (105, 1155208), (120, 1010807), (140, 866406), (168, 722005), (197, 615720), (210, 577604), (280, 433203), (394, 307860), (420, 288802), (591, 205240), (733, 165480), (788, 153930), (840, 144401), (985, 123144), (1182, 102620), (1379, 87960), (1466, 82740), (1576, 76965), (1970, 61572), (2199, 55160), (2364, 51310), (2758, 43980), (2932, 41370), (2955, 41048), (3665, 33096), (3940, 30786), (4137, 29320), (4398, 27580), (4728, 25655), (5131, 23640), (5516, 21990), (5864, 20685), (5910, 20524), (6895, 17592), (7330, 16548), (7880, 15393), (8274, 14660), (8796, 13790), (10262, 11820), (10995, 11032)]