260628966

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 672300720

約数和(自身を除く): 411671754

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 57, 61, 62, 78, 93, 114, 117, 122, 171, 183, 186, 234, 247, 279, 342, 366, 403, 494, 549, 558, 589, 741, 793, 806, 961, 1098, 1159, 1178, 1209, 1482, 1586, 1767, 1891, 1922, 2223, 2318, 2379, 2418, 2883, 3477, 3534, 3627, 3782, 4446, 4758, 5301, 5673, 5766, 6954, 7137, 7254, 7657, 8649, 10431, 10602, 11346, 12493, 14274, 15067, 15314, 17019, 17298, 18259, 20862, 22971, 24583, 24986, 30134, 34038, 35929, 36518, 37479, 45201, 45942, 49166, 54777, 58621, 68913, 71858, 73749, 74958, 90402, 107787, 109554, 112437, 117242, 135603, 137826, 147498, 164331, 175863, 215574, 221247, 224874, 237367, 271206, 323361, 328662, 351726, 442494, 467077, 474734, 527589, 646722, 712101, 762073, 934154, 1055178, 1113799, 1401231, 1424202, 1524146, 2136303, 2227598, 2286219, 2802462, 3341397, 4203693, 4272606, 4572438, 6682794, 6858657, 8407386, 10024191, 13717314, 14479387, 20048382, 28958774, 43438161, 86876322, 130314483, 260628966]

約数ペア:

[(1, 260628966), (2, 130314483), (3, 86876322), (6, 43438161), (9, 28958774), (13, 20048382), (18, 14479387), (19, 13717314), (26, 10024191), (31, 8407386), (38, 6858657), (39, 6682794), (57, 4572438), (61, 4272606), (62, 4203693), (78, 3341397), (93, 2802462), (114, 2286219), (117, 2227598), (122, 2136303), (171, 1524146), (183, 1424202), (186, 1401231), (234, 1113799), (247, 1055178), (279, 934154), (342, 762073), (366, 712101), (403, 646722), (494, 527589), (549, 474734), (558, 467077), (589, 442494), (741, 351726), (793, 328662), (806, 323361), (961, 271206), (1098, 237367), (1159, 224874), (1178, 221247), (1209, 215574), (1482, 175863), (1586, 164331), (1767, 147498), (1891, 137826), (1922, 135603), (2223, 117242), (2318, 112437), (2379, 109554), (2418, 107787), (2883, 90402), (3477, 74958), (3534, 73749), (3627, 71858), (3782, 68913), (4446, 58621), (4758, 54777), (5301, 49166), (5673, 45942), (5766, 45201), (6954, 37479), (7137, 36518), (7254, 35929), (7657, 34038), (8649, 30134), (10431, 24986), (10602, 24583), (11346, 22971), (12493, 20862), (14274, 18259), (15067, 17298), (15314, 17019)]