311143560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28493}}^1$

素因数の和:28527

約数の個数: 128

約数和(自身を含む): 1148878080

約数和(自身を除く): 837734520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 28493, 56986, 85479, 113972, 142465, 170958, 199451, 227944, 284930, 341916, 370409, 398902, 427395, 569860, 598353, 683832, 740818, 797804, 854790, 997255, 1111227, 1139720, 1196706, 1481636, 1595608, 1709580, 1852045, 1994510, 2222454, 2393412, 2592863, 2963272, 2991765, 3419160, 3704090, 3989020, 4444908, 4786824, 5185726, 5556135, 5983530, 7408180, 7778589, 7978040, 8889816, 10371452, 11112270, 11967060, 12964315, 14816360, 15557178, 20742904, 22224540, 23934120, 25928630, 31114356, 38892945, 44449080, 51857260, 62228712, 77785890, 103714520, 155571780, 311143560]

約数ペア:

[(1, 311143560), (2, 155571780), (3, 103714520), (4, 77785890), (5, 62228712), (6, 51857260), (7, 44449080), (8, 38892945), (10, 31114356), (12, 25928630), (13, 23934120), (14, 22224540), (15, 20742904), (20, 15557178), (21, 14816360), (24, 12964315), (26, 11967060), (28, 11112270), (30, 10371452), (35, 8889816), (39, 7978040), (40, 7778589), (42, 7408180), (52, 5983530), (56, 5556135), (60, 5185726), (65, 4786824), (70, 4444908), (78, 3989020), (84, 3704090), (91, 3419160), (104, 2991765), (105, 2963272), (120, 2592863), (130, 2393412), (140, 2222454), (156, 1994510), (168, 1852045), (182, 1709580), (195, 1595608), (210, 1481636), (260, 1196706), (273, 1139720), (280, 1111227), (312, 997255), (364, 854790), (390, 797804), (420, 740818), (455, 683832), (520, 598353), (546, 569860), (728, 427395), (780, 398902), (840, 370409), (910, 341916), (1092, 284930), (1365, 227944), (1560, 199451), (1820, 170958), (2184, 142465), (2730, 113972), (3640, 85479), (5460, 56986), (10920, 28493)]