56791980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 216

約数和(自身を含む): 206152128

約数和(自身を除く): 149360148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 137, 140, 141, 147, 180, 188, 196, 210, 235, 245, 252, 274, 282, 294, 315, 329, 411, 420, 423, 441, 470, 490, 548, 564, 588, 630, 658, 685, 705, 735, 822, 846, 882, 940, 959, 980, 987, 1233, 1260, 1316, 1370, 1410, 1470, 1644, 1645, 1692, 1764, 1918, 1974, 2055, 2115, 2205, 2303, 2466, 2740, 2820, 2877, 2940, 2961, 3290, 3836, 3948, 4110, 4230, 4410, 4606, 4795, 4932, 4935, 5754, 5922, 6165, 6439, 6580, 6713, 6909, 8220, 8460, 8631, 8820, 9212, 9590, 9870, 11508, 11515, 11844, 12330, 12878, 13426, 13818, 14385, 14805, 17262, 19180, 19317, 19740, 20139, 20727, 23030, 24660, 25756, 26852, 27636, 28770, 29610, 32195, 33565, 34524, 34545, 38634, 40278, 41454, 43155, 45073, 46060, 57540, 57951, 59220, 60417, 64390, 67130, 69090, 77268, 80556, 82908, 86310, 90146, 96585, 100695, 103635, 115902, 120834, 128780, 134260, 135219, 138180, 172620, 180292, 193170, 201390, 207270, 225365, 231804, 241668, 270438, 289755, 302085, 315511, 386340, 402780, 405657, 414540, 450730, 540876, 579510, 604170, 631022, 676095, 811314, 901460, 946533, 1159020, 1208340, 1262044, 1352190, 1577555, 1622628, 1893066, 2028285, 2704380, 2839599, 3155110, 3786132, 4056570, 4732665, 5679198, 6310220, 8113140, 9465330, 11358396, 14197995, 18930660, 28395990, 56791980]

約数ペア:

[(1, 56791980), (2, 28395990), (3, 18930660), (4, 14197995), (5, 11358396), (6, 9465330), (7, 8113140), (9, 6310220), (10, 5679198), (12, 4732665), (14, 4056570), (15, 3786132), (18, 3155110), (20, 2839599), (21, 2704380), (28, 2028285), (30, 1893066), (35, 1622628), (36, 1577555), (42, 1352190), (45, 1262044), (47, 1208340), (49, 1159020), (60, 946533), (63, 901460), (70, 811314), (84, 676095), (90, 631022), (94, 604170), (98, 579510), (105, 540876), (126, 450730), (137, 414540), (140, 405657), (141, 402780), (147, 386340), (180, 315511), (188, 302085), (196, 289755), (210, 270438), (235, 241668), (245, 231804), (252, 225365), (274, 207270), (282, 201390), (294, 193170), (315, 180292), (329, 172620), (411, 138180), (420, 135219), (423, 134260), (441, 128780), (470, 120834), (490, 115902), (548, 103635), (564, 100695), (588, 96585), (630, 90146), (658, 86310), (685, 82908), (705, 80556), (735, 77268), (822, 69090), (846, 67130), (882, 64390), (940, 60417), (959, 59220), (980, 57951), (987, 57540), (1233, 46060), (1260, 45073), (1316, 43155), (1370, 41454), (1410, 40278), (1470, 38634), (1644, 34545), (1645, 34524), (1692, 33565), (1764, 32195), (1918, 29610), (1974, 28770), (2055, 27636), (2115, 26852), (2205, 25756), (2303, 24660), (2466, 23030), (2740, 20727), (2820, 20139), (2877, 19740), (2940, 19317), (2961, 19180), (3290, 17262), (3836, 14805), (3948, 14385), (4110, 13818), (4230, 13426), (4410, 12878), (4606, 12330), (4795, 11844), (4932, 11515), (4935, 11508), (5754, 9870), (5922, 9590), (6165, 9212), (6439, 8820), (6580, 8631), (6713, 8460), (6909, 8220)]