254571660

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{1069}}^1$

素因数の和:1107

約数の個数: 216

約数和(自身を含む): 932415120

約数和(自身を除く): 677843460

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, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 972, 980, 1069, 1134, 1215, 1260, 1323, 1470, 1620, 1701, 1764, 1890, 2138, 2205, 2268, 2430, 2646, 2835, 2940, 3207, 3402, 3780, 3969, 4276, 4410, 4860, 5292, 5345, 5670, 6414, 6615, 6804, 7483, 7938, 8505, 8820, 9621, 10690, 11340, 11907, 12828, 13230, 14966, 15876, 16035, 17010, 19242, 19845, 21380, 22449, 23814, 26460, 28863, 29932, 32070, 34020, 37415, 38484, 39690, 44898, 47628, 48105, 52381, 57726, 59535, 64140, 67347, 74830, 79380, 86589, 89796, 96210, 104762, 112245, 115452, 119070, 134694, 144315, 149660, 157143, 173178, 192420, 202041, 209524, 224490, 238140, 259767, 261905, 269388, 288630, 314286, 336735, 346356, 404082, 432945, 448980, 471429, 519534, 523810, 577260, 606123, 628572, 673470, 785715, 808164, 865890, 942858, 1010205, 1039068, 1047620, 1212246, 1298835, 1346940, 1414287, 1571430, 1731780, 1818369, 1885716, 2020410, 2357145, 2424492, 2597670, 2828574, 3030615, 3142860, 3636738, 4040820, 4242861, 4714290, 5195340, 5657148, 6061230, 7071435, 7273476, 8485722, 9091845, 9428580, 12122460, 12728583, 14142870, 16971444, 18183690, 21214305, 25457166, 28285740, 36367380, 42428610, 50914332, 63642915, 84857220, 127285830, 254571660]

約数ペア:

[(1, 254571660), (2, 127285830), (3, 84857220), (4, 63642915), (5, 50914332), (6, 42428610), (7, 36367380), (9, 28285740), (10, 25457166), (12, 21214305), (14, 18183690), (15, 16971444), (18, 14142870), (20, 12728583), (21, 12122460), (27, 9428580), (28, 9091845), (30, 8485722), (35, 7273476), (36, 7071435), (42, 6061230), (45, 5657148), (49, 5195340), (54, 4714290), (60, 4242861), (63, 4040820), (70, 3636738), (81, 3142860), (84, 3030615), (90, 2828574), (98, 2597670), (105, 2424492), (108, 2357145), (126, 2020410), (135, 1885716), (140, 1818369), (147, 1731780), (162, 1571430), (180, 1414287), (189, 1346940), (196, 1298835), (210, 1212246), (243, 1047620), (245, 1039068), (252, 1010205), (270, 942858), (294, 865890), (315, 808164), (324, 785715), (378, 673470), (405, 628572), (420, 606123), (441, 577260), (486, 523810), (490, 519534), (540, 471429), (567, 448980), (588, 432945), (630, 404082), (735, 346356), (756, 336735), (810, 314286), (882, 288630), (945, 269388), (972, 261905), (980, 259767), (1069, 238140), (1134, 224490), (1215, 209524), (1260, 202041), (1323, 192420), (1470, 173178), (1620, 157143), (1701, 149660), (1764, 144315), (1890, 134694), (2138, 119070), (2205, 115452), (2268, 112245), (2430, 104762), (2646, 96210), (2835, 89796), (2940, 86589), (3207, 79380), (3402, 74830), (3780, 67347), (3969, 64140), (4276, 59535), (4410, 57726), (4860, 52381), (5292, 48105), (5345, 47628), (5670, 44898), (6414, 39690), (6615, 38484), (6804, 37415), (7483, 34020), (7938, 32070), (8505, 29932), (8820, 28863), (9621, 26460), (10690, 23814), (11340, 22449), (11907, 21380), (12828, 19845), (13230, 19242), (14966, 17010), (15876, 16035)]