87939180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1076

約数の個数: 144

約数和(自身を含む): 309464064

約数和(自身を除く): 221524884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 983, 994, 1065, 1260, 1278, 1420, 1491, 1966, 1988, 2130, 2485, 2556, 2949, 2982, 3195, 3932, 4260, 4473, 4915, 4970, 5898, 5964, 6390, 6881, 7455, 8847, 8946, 9830, 9940, 11796, 12780, 13762, 14745, 14910, 17694, 17892, 19660, 20643, 22365, 27524, 29490, 29820, 34405, 35388, 41286, 44235, 44730, 58980, 61929, 68810, 69793, 82572, 88470, 89460, 103215, 123858, 137620, 139586, 176940, 206430, 209379, 247716, 279172, 309645, 348965, 412860, 418758, 488551, 619290, 628137, 697930, 837516, 977102, 1046895, 1238580, 1256274, 1395860, 1465653, 1954204, 2093790, 2442755, 2512548, 2931306, 3140685, 4187580, 4396959, 4885510, 5862612, 6281370, 7328265, 8793918, 9771020, 12562740, 14656530, 17587836, 21984795, 29313060, 43969590, 87939180]

約数ペア:

[(1, 87939180), (2, 43969590), (3, 29313060), (4, 21984795), (5, 17587836), (6, 14656530), (7, 12562740), (9, 9771020), (10, 8793918), (12, 7328265), (14, 6281370), (15, 5862612), (18, 4885510), (20, 4396959), (21, 4187580), (28, 3140685), (30, 2931306), (35, 2512548), (36, 2442755), (42, 2093790), (45, 1954204), (60, 1465653), (63, 1395860), (70, 1256274), (71, 1238580), (84, 1046895), (90, 977102), (105, 837516), (126, 697930), (140, 628137), (142, 619290), (180, 488551), (210, 418758), (213, 412860), (252, 348965), (284, 309645), (315, 279172), (355, 247716), (420, 209379), (426, 206430), (497, 176940), (630, 139586), (639, 137620), (710, 123858), (852, 103215), (983, 89460), (994, 88470), (1065, 82572), (1260, 69793), (1278, 68810), (1420, 61929), (1491, 58980), (1966, 44730), (1988, 44235), (2130, 41286), (2485, 35388), (2556, 34405), (2949, 29820), (2982, 29490), (3195, 27524), (3932, 22365), (4260, 20643), (4473, 19660), (4915, 17892), (4970, 17694), (5898, 14910), (5964, 14745), (6390, 13762), (6881, 12780), (7455, 11796), (8847, 9940), (8946, 9830)]