131888120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1957

約数の個数: 128

約数和(自身を含む): 384652800

約数和(自身を除く): 252764680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1907, 1976, 2470, 2660, 3458, 3640, 3814, 4940, 5320, 6916, 7628, 8645, 9535, 9880, 13349, 13832, 15256, 17290, 19070, 24791, 26698, 34580, 36233, 38140, 49582, 53396, 66745, 69160, 72466, 76280, 99164, 106792, 123955, 133490, 144932, 173537, 181165, 198328, 247910, 253631, 266980, 289864, 347074, 362330, 471029, 495820, 507262, 533960, 694148, 724660, 867685, 942058, 991640, 1014524, 1268155, 1388296, 1449320, 1735370, 1884116, 2029048, 2355145, 2536310, 3297203, 3470740, 3768232, 4710290, 5072620, 6594406, 6941480, 9420580, 10145240, 13188812, 16486015, 18841160, 26377624, 32972030, 65944060, 131888120]

約数ペア:

[(1, 131888120), (2, 65944060), (4, 32972030), (5, 26377624), (7, 18841160), (8, 16486015), (10, 13188812), (13, 10145240), (14, 9420580), (19, 6941480), (20, 6594406), (26, 5072620), (28, 4710290), (35, 3768232), (38, 3470740), (40, 3297203), (52, 2536310), (56, 2355145), (65, 2029048), (70, 1884116), (76, 1735370), (91, 1449320), (95, 1388296), (104, 1268155), (130, 1014524), (133, 991640), (140, 942058), (152, 867685), (182, 724660), (190, 694148), (247, 533960), (260, 507262), (266, 495820), (280, 471029), (364, 362330), (380, 347074), (455, 289864), (494, 266980), (520, 253631), (532, 247910), (665, 198328), (728, 181165), (760, 173537), (910, 144932), (988, 133490), (1064, 123955), (1235, 106792), (1330, 99164), (1729, 76280), (1820, 72466), (1907, 69160), (1976, 66745), (2470, 53396), (2660, 49582), (3458, 38140), (3640, 36233), (3814, 34580), (4940, 26698), (5320, 24791), (6916, 19070), (7628, 17290), (8645, 15256), (9535, 13832), (9880, 13349)]