127520120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 360339840

約数和(自身を除く): 232819720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 91, 104, 106, 130, 140, 182, 212, 260, 265, 280, 364, 371, 424, 455, 520, 530, 661, 689, 728, 742, 910, 1060, 1322, 1378, 1484, 1820, 1855, 2120, 2644, 2756, 2968, 3305, 3445, 3640, 3710, 4627, 4823, 5288, 5512, 6610, 6890, 7420, 8593, 9254, 9646, 13220, 13780, 14840, 17186, 18508, 19292, 23135, 24115, 26440, 27560, 34372, 35033, 37016, 38584, 42965, 46270, 48230, 60151, 68744, 70066, 85930, 92540, 96460, 120302, 140132, 171860, 175165, 185080, 192920, 240604, 245231, 280264, 300755, 343720, 350330, 455429, 481208, 490462, 601510, 700660, 910858, 980924, 1203020, 1226155, 1401320, 1821716, 1961848, 2277145, 2406040, 2452310, 3188003, 3643432, 4554290, 4904620, 6376006, 9108580, 9809240, 12752012, 15940015, 18217160, 25504024, 31880030, 63760060, 127520120]

約数ペア:

[(1, 127520120), (2, 63760060), (4, 31880030), (5, 25504024), (7, 18217160), (8, 15940015), (10, 12752012), (13, 9809240), (14, 9108580), (20, 6376006), (26, 4904620), (28, 4554290), (35, 3643432), (40, 3188003), (52, 2452310), (53, 2406040), (56, 2277145), (65, 1961848), (70, 1821716), (91, 1401320), (104, 1226155), (106, 1203020), (130, 980924), (140, 910858), (182, 700660), (212, 601510), (260, 490462), (265, 481208), (280, 455429), (364, 350330), (371, 343720), (424, 300755), (455, 280264), (520, 245231), (530, 240604), (661, 192920), (689, 185080), (728, 175165), (742, 171860), (910, 140132), (1060, 120302), (1322, 96460), (1378, 92540), (1484, 85930), (1820, 70066), (1855, 68744), (2120, 60151), (2644, 48230), (2756, 46270), (2968, 42965), (3305, 38584), (3445, 37016), (3640, 35033), (3710, 34372), (4627, 27560), (4823, 26440), (5288, 24115), (5512, 23135), (6610, 19292), (6890, 18508), (7420, 17186), (8593, 14840), (9254, 13780), (9646, 13220)]