27993420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1744

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 76576500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1709, 1820, 2340, 2730, 3276, 3418, 4095, 5127, 5460, 6836, 8190, 8545, 10254, 11963, 15381, 16380, 17090, 20508, 22217, 23926, 25635, 30762, 34180, 35889, 44434, 47852, 51270, 59815, 61524, 66651, 71778, 76905, 88868, 102540, 107667, 111085, 119630, 133302, 143556, 153810, 155519, 179445, 199953, 215334, 222170, 239260, 266604, 307620, 311038, 333255, 358890, 399906, 430668, 444340, 466557, 538335, 622076, 666510, 717780, 777595, 799812, 933114, 999765, 1076670, 1333020, 1399671, 1555190, 1866228, 1999530, 2153340, 2332785, 2799342, 3110380, 3999060, 4665570, 5598684, 6998355, 9331140, 13996710, 27993420]

約数ペア:

[(1, 27993420), (2, 13996710), (3, 9331140), (4, 6998355), (5, 5598684), (6, 4665570), (7, 3999060), (9, 3110380), (10, 2799342), (12, 2332785), (13, 2153340), (14, 1999530), (15, 1866228), (18, 1555190), (20, 1399671), (21, 1333020), (26, 1076670), (28, 999765), (30, 933114), (35, 799812), (36, 777595), (39, 717780), (42, 666510), (45, 622076), (52, 538335), (60, 466557), (63, 444340), (65, 430668), (70, 399906), (78, 358890), (84, 333255), (90, 311038), (91, 307620), (105, 266604), (117, 239260), (126, 222170), (130, 215334), (140, 199953), (156, 179445), (180, 155519), (182, 153810), (195, 143556), (210, 133302), (234, 119630), (252, 111085), (260, 107667), (273, 102540), (315, 88868), (364, 76905), (390, 71778), (420, 66651), (455, 61524), (468, 59815), (546, 51270), (585, 47852), (630, 44434), (780, 35889), (819, 34180), (910, 30762), (1092, 25635), (1170, 23926), (1260, 22217), (1365, 20508), (1638, 17090), (1709, 16380), (1820, 15381), (2340, 11963), (2730, 10254), (3276, 8545), (3418, 8190), (4095, 6836), (5127, 5460)]