25480980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 94112928

約数和(自身を除く): 68631948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 107, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 214, 243, 245, 252, 270, 294, 315, 321, 324, 378, 405, 420, 428, 441, 486, 490, 535, 540, 567, 588, 630, 642, 735, 749, 756, 810, 882, 945, 963, 972, 980, 1070, 1134, 1215, 1260, 1284, 1323, 1470, 1498, 1605, 1620, 1701, 1764, 1890, 1926, 2140, 2205, 2247, 2268, 2430, 2646, 2835, 2889, 2940, 2996, 3210, 3402, 3745, 3780, 3852, 3969, 4410, 4494, 4815, 4860, 5243, 5292, 5670, 5778, 6420, 6615, 6741, 6804, 7490, 7938, 8505, 8667, 8820, 8988, 9630, 10486, 11235, 11340, 11556, 11907, 13230, 13482, 14445, 14980, 15729, 15876, 17010, 17334, 19260, 19845, 20223, 20972, 22470, 23814, 26001, 26215, 26460, 26964, 28890, 31458, 33705, 34020, 34668, 39690, 40446, 43335, 44940, 47187, 47628, 52002, 52430, 57780, 59535, 60669, 62916, 67410, 78645, 79380, 80892, 86670, 94374, 101115, 104004, 104860, 119070, 121338, 130005, 134820, 141561, 157290, 173340, 182007, 188748, 202230, 235935, 238140, 242676, 260010, 283122, 303345, 314580, 364014, 404460, 424683, 471870, 520020, 566244, 606690, 707805, 728028, 849366, 910035, 943740, 1213380, 1274049, 1415610, 1698732, 1820070, 2123415, 2548098, 2831220, 3640140, 4246830, 5096196, 6370245, 8493660, 12740490, 25480980]

約数ペア:

[(1, 25480980), (2, 12740490), (3, 8493660), (4, 6370245), (5, 5096196), (6, 4246830), (7, 3640140), (9, 2831220), (10, 2548098), (12, 2123415), (14, 1820070), (15, 1698732), (18, 1415610), (20, 1274049), (21, 1213380), (27, 943740), (28, 910035), (30, 849366), (35, 728028), (36, 707805), (42, 606690), (45, 566244), (49, 520020), (54, 471870), (60, 424683), (63, 404460), (70, 364014), (81, 314580), (84, 303345), (90, 283122), (98, 260010), (105, 242676), (107, 238140), (108, 235935), (126, 202230), (135, 188748), (140, 182007), (147, 173340), (162, 157290), (180, 141561), (189, 134820), (196, 130005), (210, 121338), (214, 119070), (243, 104860), (245, 104004), (252, 101115), (270, 94374), (294, 86670), (315, 80892), (321, 79380), (324, 78645), (378, 67410), (405, 62916), (420, 60669), (428, 59535), (441, 57780), (486, 52430), (490, 52002), (535, 47628), (540, 47187), (567, 44940), (588, 43335), (630, 40446), (642, 39690), (735, 34668), (749, 34020), (756, 33705), (810, 31458), (882, 28890), (945, 26964), (963, 26460), (972, 26215), (980, 26001), (1070, 23814), (1134, 22470), (1215, 20972), (1260, 20223), (1284, 19845), (1323, 19260), (1470, 17334), (1498, 17010), (1605, 15876), (1620, 15729), (1701, 14980), (1764, 14445), (1890, 13482), (1926, 13230), (2140, 11907), (2205, 11556), (2247, 11340), (2268, 11235), (2430, 10486), (2646, 9630), (2835, 8988), (2889, 8820), (2940, 8667), (2996, 8505), (3210, 7938), (3402, 7490), (3745, 6804), (3780, 6741), (3852, 6615), (3969, 6420), (4410, 5778), (4494, 5670), (4815, 5292), (4860, 5243)]