1210840020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{929}}^1$

素因数の和:1514

約数の個数: 144

約数和(自身を含む): 3966777360

約数和(自身を除く): 2755937340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 557, 585, 780, 929, 1114, 1170, 1671, 1858, 2228, 2340, 2785, 2787, 3342, 3716, 4645, 5013, 5570, 5574, 6684, 7241, 8355, 8361, 9290, 10026, 11140, 11148, 12077, 13935, 14482, 16710, 16722, 18580, 20052, 21723, 24154, 25065, 27870, 28964, 33420, 33444, 36205, 36231, 41805, 43446, 48308, 50130, 55740, 60385, 65169, 72410, 72462, 83610, 86892, 100260, 108615, 108693, 120770, 130338, 144820, 144924, 167220, 181155, 217230, 217386, 241540, 260676, 325845, 362310, 434460, 434772, 517453, 543465, 651690, 724620, 1034906, 1086930, 1303380, 1552359, 2069812, 2173860, 2587265, 3104718, 4657077, 5174530, 6209436, 6726889, 7761795, 9314154, 10349060, 13453778, 15523590, 18628308, 20180667, 23285385, 26907556, 31047180, 33634445, 40361334, 46570770, 60542001, 67268890, 80722668, 93141540, 100903335, 121084002, 134537780, 201806670, 242168004, 302710005, 403613340, 605420010, 1210840020]

約数ペア:

[(1, 1210840020), (2, 605420010), (3, 403613340), (4, 302710005), (5, 242168004), (6, 201806670), (9, 134537780), (10, 121084002), (12, 100903335), (13, 93141540), (15, 80722668), (18, 67268890), (20, 60542001), (26, 46570770), (30, 40361334), (36, 33634445), (39, 31047180), (45, 26907556), (52, 23285385), (60, 20180667), (65, 18628308), (78, 15523590), (90, 13453778), (117, 10349060), (130, 9314154), (156, 7761795), (180, 6726889), (195, 6209436), (234, 5174530), (260, 4657077), (390, 3104718), (468, 2587265), (557, 2173860), (585, 2069812), (780, 1552359), (929, 1303380), (1114, 1086930), (1170, 1034906), (1671, 724620), (1858, 651690), (2228, 543465), (2340, 517453), (2785, 434772), (2787, 434460), (3342, 362310), (3716, 325845), (4645, 260676), (5013, 241540), (5570, 217386), (5574, 217230), (6684, 181155), (7241, 167220), (8355, 144924), (8361, 144820), (9290, 130338), (10026, 120770), (11140, 108693), (11148, 108615), (12077, 100260), (13935, 86892), (14482, 83610), (16710, 72462), (16722, 72410), (18580, 65169), (20052, 60385), (21723, 55740), (24154, 50130), (25065, 48308), (27870, 43446), (28964, 41805), (33420, 36231), (33444, 36205)]