20131776840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{91127}}^1$

素因数の和:91411

約数の個数: 128

約数和(自身を含む): 69286440960

約数和(自身を除く): 49154664120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 263, 280, 420, 526, 789, 840, 1052, 1315, 1578, 1841, 2104, 2630, 3156, 3682, 3945, 5260, 5523, 6312, 7364, 7890, 9205, 10520, 11046, 14728, 15780, 18410, 22092, 27615, 31560, 36820, 44184, 55230, 73640, 91127, 110460, 182254, 220920, 273381, 364508, 455635, 546762, 637889, 729016, 911270, 1093524, 1275778, 1366905, 1822540, 1913667, 2187048, 2551556, 2733810, 3189445, 3645080, 3827334, 5103112, 5467620, 6378890, 7654668, 9568335, 10935240, 12757780, 15309336, 19136670, 23966401, 25515560, 38273340, 47932802, 71899203, 76546680, 95865604, 119832005, 143798406, 167764807, 191731208, 239664010, 287596812, 335529614, 359496015, 479328020, 503294421, 575193624, 671059228, 718992030, 838824035, 958656040, 1006588842, 1342118456, 1437984060, 1677648070, 2013177684, 2516472105, 2875968120, 3355296140, 4026355368, 5032944210, 6710592280, 10065888420, 20131776840]

約数ペア:

[(1, 20131776840), (2, 10065888420), (3, 6710592280), (4, 5032944210), (5, 4026355368), (6, 3355296140), (7, 2875968120), (8, 2516472105), (10, 2013177684), (12, 1677648070), (14, 1437984060), (15, 1342118456), (20, 1006588842), (21, 958656040), (24, 838824035), (28, 718992030), (30, 671059228), (35, 575193624), (40, 503294421), (42, 479328020), (56, 359496015), (60, 335529614), (70, 287596812), (84, 239664010), (105, 191731208), (120, 167764807), (140, 143798406), (168, 119832005), (210, 95865604), (263, 76546680), (280, 71899203), (420, 47932802), (526, 38273340), (789, 25515560), (840, 23966401), (1052, 19136670), (1315, 15309336), (1578, 12757780), (1841, 10935240), (2104, 9568335), (2630, 7654668), (3156, 6378890), (3682, 5467620), (3945, 5103112), (5260, 3827334), (5523, 3645080), (6312, 3189445), (7364, 2733810), (7890, 2551556), (9205, 2187048), (10520, 1913667), (11046, 1822540), (14728, 1366905), (15780, 1275778), (18410, 1093524), (22092, 911270), (27615, 729016), (31560, 637889), (36820, 546762), (44184, 455635), (55230, 364508), (73640, 273381), (91127, 220920), (110460, 182254)]