28976954940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{5569}}^1$

素因数の和:5932

約数の個数: 144

約数和(自身を含む): 88973932320

約数和(自身を除く): 59996977380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 211, 274, 411, 422, 548, 633, 685, 822, 844, 1055, 1233, 1266, 1370, 1644, 1899, 2055, 2110, 2466, 2532, 2740, 3165, 3798, 4110, 4220, 4932, 5569, 6165, 6330, 7596, 8220, 9495, 11138, 12330, 12660, 16707, 18990, 22276, 24660, 27845, 28907, 33414, 37980, 50121, 55690, 57814, 66828, 83535, 86721, 100242, 111380, 115628, 144535, 167070, 173442, 200484, 250605, 260163, 289070, 334140, 346884, 433605, 501210, 520326, 578140, 762953, 867210, 1002420, 1040652, 1175059, 1300815, 1525906, 1734420, 2288859, 2350118, 2601630, 3051812, 3525177, 3814765, 4577718, 4700236, 5203260, 5875295, 6866577, 7050354, 7629530, 9155436, 10575531, 11444295, 11750590, 13733154, 14100708, 15259060, 17625885, 21151062, 22888590, 23501180, 27466308, 34332885, 35251770, 42302124, 45777180, 52877655, 68665770, 70503540, 105755310, 137331540, 160983083, 211510620, 321966166, 482949249, 643932332, 804915415, 965898498, 1448847747, 1609830830, 1931796996, 2414746245, 2897695494, 3219661660, 4829492490, 5795390988, 7244238735, 9658984980, 14488477470, 28976954940]

約数ペア:

[(1, 28976954940), (2, 14488477470), (3, 9658984980), (4, 7244238735), (5, 5795390988), (6, 4829492490), (9, 3219661660), (10, 2897695494), (12, 2414746245), (15, 1931796996), (18, 1609830830), (20, 1448847747), (30, 965898498), (36, 804915415), (45, 643932332), (60, 482949249), (90, 321966166), (137, 211510620), (180, 160983083), (211, 137331540), (274, 105755310), (411, 70503540), (422, 68665770), (548, 52877655), (633, 45777180), (685, 42302124), (822, 35251770), (844, 34332885), (1055, 27466308), (1233, 23501180), (1266, 22888590), (1370, 21151062), (1644, 17625885), (1899, 15259060), (2055, 14100708), (2110, 13733154), (2466, 11750590), (2532, 11444295), (2740, 10575531), (3165, 9155436), (3798, 7629530), (4110, 7050354), (4220, 6866577), (4932, 5875295), (5569, 5203260), (6165, 4700236), (6330, 4577718), (7596, 3814765), (8220, 3525177), (9495, 3051812), (11138, 2601630), (12330, 2350118), (12660, 2288859), (16707, 1734420), (18990, 1525906), (22276, 1300815), (24660, 1175059), (27845, 1040652), (28907, 1002420), (33414, 867210), (37980, 762953), (50121, 578140), (55690, 520326), (57814, 501210), (66828, 433605), (83535, 346884), (86721, 334140), (100242, 289070), (111380, 260163), (115628, 250605), (144535, 200484), (167070, 173442)]