87523120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 217486080

約数和(自身を除く): 129962960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 811, 1136, 1349, 1420, 1520, 1622, 2698, 2840, 3244, 4055, 5396, 5680, 6488, 6745, 8110, 10792, 12976, 13490, 15409, 16220, 21584, 26980, 30818, 32440, 53960, 57581, 61636, 64880, 77045, 107920, 115162, 123272, 154090, 230324, 246544, 287905, 308180, 460648, 575810, 616360, 921296, 1094039, 1151620, 1232720, 2188078, 2303240, 4376156, 4606480, 5470195, 8752312, 10940390, 17504624, 21880780, 43761560, 87523120]

約数ペア:

[(1, 87523120), (2, 43761560), (4, 21880780), (5, 17504624), (8, 10940390), (10, 8752312), (16, 5470195), (19, 4606480), (20, 4376156), (38, 2303240), (40, 2188078), (71, 1232720), (76, 1151620), (80, 1094039), (95, 921296), (142, 616360), (152, 575810), (190, 460648), (284, 308180), (304, 287905), (355, 246544), (380, 230324), (568, 154090), (710, 123272), (760, 115162), (811, 107920), (1136, 77045), (1349, 64880), (1420, 61636), (1520, 57581), (1622, 53960), (2698, 32440), (2840, 30818), (3244, 26980), (4055, 21584), (5396, 16220), (5680, 15409), (6488, 13490), (6745, 12976), (8110, 10792)]