65972240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 163918080

約数和(自身を除く): 97945840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 271, 272, 340, 358, 542, 680, 716, 895, 1084, 1355, 1360, 1432, 1790, 2168, 2710, 2864, 3043, 3580, 4336, 4607, 5420, 6086, 7160, 9214, 10840, 12172, 14320, 15215, 18428, 21680, 23035, 24344, 30430, 36856, 46070, 48509, 48688, 60860, 73712, 92140, 97018, 121720, 184280, 194036, 242545, 243440, 368560, 388072, 485090, 776144, 824653, 970180, 1649306, 1940360, 3298612, 3880720, 4123265, 6597224, 8246530, 13194448, 16493060, 32986120, 65972240]

約数ペア:

[(1, 65972240), (2, 32986120), (4, 16493060), (5, 13194448), (8, 8246530), (10, 6597224), (16, 4123265), (17, 3880720), (20, 3298612), (34, 1940360), (40, 1649306), (68, 970180), (80, 824653), (85, 776144), (136, 485090), (170, 388072), (179, 368560), (271, 243440), (272, 242545), (340, 194036), (358, 184280), (542, 121720), (680, 97018), (716, 92140), (895, 73712), (1084, 60860), (1355, 48688), (1360, 48509), (1432, 46070), (1790, 36856), (2168, 30430), (2710, 24344), (2864, 23035), (3043, 21680), (3580, 18428), (4336, 15215), (4607, 14320), (5420, 12172), (6086, 10840), (7160, 9214)]