126937640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 322509600

約数和(自身を除く): 195571960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 41, 58, 68, 82, 85, 116, 136, 145, 157, 164, 170, 205, 232, 290, 314, 328, 340, 410, 493, 580, 628, 680, 697, 785, 820, 986, 1160, 1189, 1256, 1394, 1570, 1640, 1972, 2378, 2465, 2669, 2788, 3140, 3485, 3944, 4553, 4756, 4930, 5338, 5576, 5945, 6280, 6437, 6970, 9106, 9512, 9860, 10676, 11890, 12874, 13345, 13940, 18212, 19720, 20213, 21352, 22765, 23780, 25748, 26690, 27880, 32185, 36424, 40426, 45530, 47560, 51496, 53380, 64370, 77401, 80852, 91060, 101065, 106760, 109429, 128740, 154802, 161704, 182120, 186673, 202130, 218858, 257480, 309604, 373346, 387005, 404260, 437716, 547145, 619208, 746692, 774010, 808520, 875432, 933365, 1094290, 1493384, 1548020, 1866730, 2188580, 3096040, 3173441, 3733460, 4377160, 6346882, 7466920, 12693764, 15867205, 25387528, 31734410, 63468820, 126937640]

約数ペア:

[(1, 126937640), (2, 63468820), (4, 31734410), (5, 25387528), (8, 15867205), (10, 12693764), (17, 7466920), (20, 6346882), (29, 4377160), (34, 3733460), (40, 3173441), (41, 3096040), (58, 2188580), (68, 1866730), (82, 1548020), (85, 1493384), (116, 1094290), (136, 933365), (145, 875432), (157, 808520), (164, 774010), (170, 746692), (205, 619208), (232, 547145), (290, 437716), (314, 404260), (328, 387005), (340, 373346), (410, 309604), (493, 257480), (580, 218858), (628, 202130), (680, 186673), (697, 182120), (785, 161704), (820, 154802), (986, 128740), (1160, 109429), (1189, 106760), (1256, 101065), (1394, 91060), (1570, 80852), (1640, 77401), (1972, 64370), (2378, 53380), (2465, 51496), (2669, 47560), (2788, 45530), (3140, 40426), (3485, 36424), (3944, 32185), (4553, 27880), (4756, 26690), (4930, 25748), (5338, 23780), (5576, 22765), (5945, 21352), (6280, 20213), (6437, 19720), (6970, 18212), (9106, 13940), (9512, 13345), (9860, 12874), (10676, 11890)]