73521920

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:901

約数の個数: 72

約数和(自身を含む): 178809120

約数和(自身を除く): 105287200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 809, 1136, 1280, 1420, 1618, 2272, 2840, 3236, 4045, 4544, 5680, 6472, 8090, 9088, 11360, 12944, 16180, 18176, 22720, 25888, 32360, 45440, 51776, 57439, 64720, 90880, 103552, 114878, 129440, 207104, 229756, 258880, 287195, 459512, 517760, 574390, 919024, 1035520, 1148780, 1838048, 2297560, 3676096, 4595120, 7352192, 9190240, 14704384, 18380480, 36760960, 73521920]

約数ペア:

[(1, 73521920), (2, 36760960), (4, 18380480), (5, 14704384), (8, 9190240), (10, 7352192), (16, 4595120), (20, 3676096), (32, 2297560), (40, 1838048), (64, 1148780), (71, 1035520), (80, 919024), (128, 574390), (142, 517760), (160, 459512), (256, 287195), (284, 258880), (320, 229756), (355, 207104), (568, 129440), (640, 114878), (710, 103552), (809, 90880), (1136, 64720), (1280, 57439), (1420, 51776), (1618, 45440), (2272, 32360), (2840, 25888), (3236, 22720), (4045, 18176), (4544, 16180), (5680, 12944), (6472, 11360), (8090, 9088)]