51542820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2194

約数の個数: 144

約数和(自身を含む): 188173440

約数和(自身を除く): 136630620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2153, 2394, 2660, 3420, 3990, 4306, 4788, 5985, 6459, 7980, 8612, 10765, 11970, 12918, 15071, 19377, 21530, 23940, 25836, 30142, 32295, 38754, 40907, 43060, 45213, 60284, 64590, 75355, 77508, 81814, 90426, 96885, 122721, 129180, 135639, 150710, 163628, 180852, 193770, 204535, 226065, 245442, 271278, 286349, 301420, 368163, 387540, 409070, 452130, 490884, 542556, 572698, 613605, 678195, 736326, 818140, 859047, 904260, 1145396, 1227210, 1356390, 1431745, 1472652, 1718094, 1840815, 2454420, 2577141, 2712780, 2863490, 3436188, 3681630, 4295235, 5154282, 5726980, 7363260, 8590470, 10308564, 12885705, 17180940, 25771410, 51542820]

約数ペア:

[(1, 51542820), (2, 25771410), (3, 17180940), (4, 12885705), (5, 10308564), (6, 8590470), (7, 7363260), (9, 5726980), (10, 5154282), (12, 4295235), (14, 3681630), (15, 3436188), (18, 2863490), (19, 2712780), (20, 2577141), (21, 2454420), (28, 1840815), (30, 1718094), (35, 1472652), (36, 1431745), (38, 1356390), (42, 1227210), (45, 1145396), (57, 904260), (60, 859047), (63, 818140), (70, 736326), (76, 678195), (84, 613605), (90, 572698), (95, 542556), (105, 490884), (114, 452130), (126, 409070), (133, 387540), (140, 368163), (171, 301420), (180, 286349), (190, 271278), (210, 245442), (228, 226065), (252, 204535), (266, 193770), (285, 180852), (315, 163628), (342, 150710), (380, 135639), (399, 129180), (420, 122721), (532, 96885), (570, 90426), (630, 81814), (665, 77508), (684, 75355), (798, 64590), (855, 60284), (1140, 45213), (1197, 43060), (1260, 40907), (1330, 38754), (1596, 32295), (1710, 30142), (1995, 25836), (2153, 23940), (2394, 21530), (2660, 19377), (3420, 15071), (3990, 12918), (4306, 11970), (4788, 10765), (5985, 8612), (6459, 7980)]