18946572560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1\times {\mathrm{6569}}^1$

素因数の和:7776

約数の個数: 80

約数和(自身を含む): 45517800960

約数和(自身を除く): 26571228400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1163, 1240, 2326, 2480, 4652, 5815, 6569, 9304, 11630, 13138, 18608, 23260, 26276, 32845, 36053, 46520, 52552, 65690, 72106, 93040, 105104, 131380, 144212, 180265, 203639, 262760, 288424, 360530, 407278, 525520, 576848, 721060, 814556, 1018195, 1442120, 1629112, 2036390, 2884240, 3258224, 4072780, 7639747, 8145560, 15279494, 16291120, 30558988, 38198735, 61117976, 76397470, 122235952, 152794940, 236832157, 305589880, 473664314, 611179760, 947328628, 1184160785, 1894657256, 2368321570, 3789314512, 4736643140, 9473286280, 18946572560]

約数ペア:

[(1, 18946572560), (2, 9473286280), (4, 4736643140), (5, 3789314512), (8, 2368321570), (10, 1894657256), (16, 1184160785), (20, 947328628), (31, 611179760), (40, 473664314), (62, 305589880), (80, 236832157), (124, 152794940), (155, 122235952), (248, 76397470), (310, 61117976), (496, 38198735), (620, 30558988), (1163, 16291120), (1240, 15279494), (2326, 8145560), (2480, 7639747), (4652, 4072780), (5815, 3258224), (6569, 2884240), (9304, 2036390), (11630, 1629112), (13138, 1442120), (18608, 1018195), (23260, 814556), (26276, 721060), (32845, 576848), (36053, 525520), (46520, 407278), (52552, 360530), (65690, 288424), (72106, 262760), (93040, 203639), (105104, 180265), (131380, 144212)]