127949940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 405140736

約数和(自身を除く): 277190796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 172, 180, 183, 215, 244, 258, 271, 305, 366, 387, 430, 516, 542, 549, 610, 645, 732, 774, 813, 860, 915, 1084, 1098, 1220, 1290, 1355, 1548, 1626, 1830, 1935, 2196, 2439, 2580, 2623, 2710, 2745, 3252, 3660, 3870, 4065, 4878, 5246, 5420, 5490, 7740, 7869, 8130, 9756, 10492, 10980, 11653, 12195, 13115, 15738, 16260, 16531, 23306, 23607, 24390, 26230, 31476, 33062, 34959, 39345, 46612, 47214, 48780, 49593, 52460, 58265, 66124, 69918, 78690, 82655, 94428, 99186, 104877, 116530, 118035, 139836, 148779, 157380, 165310, 174795, 198372, 209754, 233060, 236070, 247965, 297558, 330620, 349590, 419508, 472140, 495930, 524385, 595116, 699180, 710833, 743895, 991860, 1048770, 1421666, 1487790, 2097540, 2132499, 2843332, 2975580, 3554165, 4264998, 6397497, 7108330, 8529996, 10662495, 12794994, 14216660, 21324990, 25589988, 31987485, 42649980, 63974970, 127949940]

約数ペア:

[(1, 127949940), (2, 63974970), (3, 42649980), (4, 31987485), (5, 25589988), (6, 21324990), (9, 14216660), (10, 12794994), (12, 10662495), (15, 8529996), (18, 7108330), (20, 6397497), (30, 4264998), (36, 3554165), (43, 2975580), (45, 2843332), (60, 2132499), (61, 2097540), (86, 1487790), (90, 1421666), (122, 1048770), (129, 991860), (172, 743895), (180, 710833), (183, 699180), (215, 595116), (244, 524385), (258, 495930), (271, 472140), (305, 419508), (366, 349590), (387, 330620), (430, 297558), (516, 247965), (542, 236070), (549, 233060), (610, 209754), (645, 198372), (732, 174795), (774, 165310), (813, 157380), (860, 148779), (915, 139836), (1084, 118035), (1098, 116530), (1220, 104877), (1290, 99186), (1355, 94428), (1548, 82655), (1626, 78690), (1830, 69918), (1935, 66124), (2196, 58265), (2439, 52460), (2580, 49593), (2623, 48780), (2710, 47214), (2745, 46612), (3252, 39345), (3660, 34959), (3870, 33062), (4065, 31476), (4878, 26230), (5246, 24390), (5420, 23607), (5490, 23306), (7740, 16531), (7869, 16260), (8130, 15738), (9756, 13115), (10492, 12195), (10980, 11653)]