25191720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 89856000

約数和(自身を除く): 64664280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 57, 58, 60, 72, 76, 87, 90, 95, 114, 116, 120, 127, 145, 152, 171, 174, 180, 190, 228, 232, 254, 261, 285, 290, 342, 348, 360, 380, 381, 435, 456, 508, 522, 551, 570, 580, 635, 684, 696, 760, 762, 855, 870, 1016, 1044, 1102, 1140, 1143, 1160, 1270, 1305, 1368, 1524, 1653, 1710, 1740, 1905, 2088, 2204, 2280, 2286, 2413, 2540, 2610, 2755, 3048, 3306, 3420, 3480, 3683, 3810, 4408, 4572, 4826, 4959, 5080, 5220, 5510, 5715, 6612, 6840, 7239, 7366, 7620, 8265, 9144, 9652, 9918, 10440, 11020, 11049, 11430, 12065, 13224, 14478, 14732, 15240, 16530, 18415, 19304, 19836, 21717, 22040, 22098, 22860, 24130, 24795, 28956, 29464, 33060, 33147, 36195, 36830, 39672, 43434, 44196, 45720, 48260, 49590, 55245, 57912, 66120, 66294, 69977, 72390, 73660, 86868, 88392, 96520, 99180, 108585, 110490, 132588, 139954, 144780, 147320, 165735, 173736, 198360, 209931, 217170, 220980, 265176, 279908, 289560, 331470, 349885, 419862, 434340, 441960, 559816, 629793, 662940, 699770, 839724, 868680, 1049655, 1259586, 1325880, 1399540, 1679448, 2099310, 2519172, 2799080, 3148965, 4198620, 5038344, 6297930, 8397240, 12595860, 25191720]

約数ペア:

[(1, 25191720), (2, 12595860), (3, 8397240), (4, 6297930), (5, 5038344), (6, 4198620), (8, 3148965), (9, 2799080), (10, 2519172), (12, 2099310), (15, 1679448), (18, 1399540), (19, 1325880), (20, 1259586), (24, 1049655), (29, 868680), (30, 839724), (36, 699770), (38, 662940), (40, 629793), (45, 559816), (57, 441960), (58, 434340), (60, 419862), (72, 349885), (76, 331470), (87, 289560), (90, 279908), (95, 265176), (114, 220980), (116, 217170), (120, 209931), (127, 198360), (145, 173736), (152, 165735), (171, 147320), (174, 144780), (180, 139954), (190, 132588), (228, 110490), (232, 108585), (254, 99180), (261, 96520), (285, 88392), (290, 86868), (342, 73660), (348, 72390), (360, 69977), (380, 66294), (381, 66120), (435, 57912), (456, 55245), (508, 49590), (522, 48260), (551, 45720), (570, 44196), (580, 43434), (635, 39672), (684, 36830), (696, 36195), (760, 33147), (762, 33060), (855, 29464), (870, 28956), (1016, 24795), (1044, 24130), (1102, 22860), (1140, 22098), (1143, 22040), (1160, 21717), (1270, 19836), (1305, 19304), (1368, 18415), (1524, 16530), (1653, 15240), (1710, 14732), (1740, 14478), (1905, 13224), (2088, 12065), (2204, 11430), (2280, 11049), (2286, 11020), (2413, 10440), (2540, 9918), (2610, 9652), (2755, 9144), (3048, 8265), (3306, 7620), (3420, 7366), (3480, 7239), (3683, 6840), (3810, 6612), (4408, 5715), (4572, 5510), (4826, 5220), (4959, 5080)]