25286940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 92619072

約数和(自身を除く): 67332132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 61, 63, 70, 84, 90, 94, 98, 105, 122, 126, 140, 141, 147, 180, 183, 188, 196, 210, 235, 244, 245, 252, 282, 294, 305, 315, 329, 366, 420, 423, 427, 441, 470, 490, 549, 564, 588, 610, 630, 658, 705, 732, 735, 846, 854, 882, 915, 940, 980, 987, 1098, 1220, 1260, 1281, 1316, 1410, 1470, 1645, 1692, 1708, 1764, 1830, 1974, 2115, 2135, 2196, 2205, 2303, 2562, 2745, 2820, 2867, 2940, 2961, 2989, 3290, 3660, 3843, 3948, 4230, 4270, 4410, 4606, 4935, 5124, 5490, 5734, 5922, 5978, 6405, 6580, 6909, 7686, 8460, 8540, 8601, 8820, 8967, 9212, 9870, 10980, 11468, 11515, 11844, 11956, 12810, 13818, 14335, 14805, 14945, 15372, 17202, 17934, 19215, 19740, 20069, 20727, 23030, 25620, 25803, 26901, 27636, 28670, 29610, 29890, 34404, 34545, 35868, 38430, 40138, 41454, 43005, 44835, 46060, 51606, 53802, 57340, 59220, 59780, 60207, 69090, 76860, 80276, 82908, 86010, 89670, 100345, 103212, 103635, 107604, 120414, 129015, 134505, 138180, 140483, 172020, 179340, 180621, 200690, 207270, 240828, 258030, 269010, 280966, 301035, 361242, 401380, 414540, 421449, 516060, 538020, 561932, 602070, 702415, 722484, 842898, 903105, 1204140, 1264347, 1404830, 1685796, 1806210, 2107245, 2528694, 2809660, 3612420, 4214490, 5057388, 6321735, 8428980, 12643470, 25286940]

約数ペア:

[(1, 25286940), (2, 12643470), (3, 8428980), (4, 6321735), (5, 5057388), (6, 4214490), (7, 3612420), (9, 2809660), (10, 2528694), (12, 2107245), (14, 1806210), (15, 1685796), (18, 1404830), (20, 1264347), (21, 1204140), (28, 903105), (30, 842898), (35, 722484), (36, 702415), (42, 602070), (45, 561932), (47, 538020), (49, 516060), (60, 421449), (61, 414540), (63, 401380), (70, 361242), (84, 301035), (90, 280966), (94, 269010), (98, 258030), (105, 240828), (122, 207270), (126, 200690), (140, 180621), (141, 179340), (147, 172020), (180, 140483), (183, 138180), (188, 134505), (196, 129015), (210, 120414), (235, 107604), (244, 103635), (245, 103212), (252, 100345), (282, 89670), (294, 86010), (305, 82908), (315, 80276), (329, 76860), (366, 69090), (420, 60207), (423, 59780), (427, 59220), (441, 57340), (470, 53802), (490, 51606), (549, 46060), (564, 44835), (588, 43005), (610, 41454), (630, 40138), (658, 38430), (705, 35868), (732, 34545), (735, 34404), (846, 29890), (854, 29610), (882, 28670), (915, 27636), (940, 26901), (980, 25803), (987, 25620), (1098, 23030), (1220, 20727), (1260, 20069), (1281, 19740), (1316, 19215), (1410, 17934), (1470, 17202), (1645, 15372), (1692, 14945), (1708, 14805), (1764, 14335), (1830, 13818), (1974, 12810), (2115, 11956), (2135, 11844), (2196, 11515), (2205, 11468), (2303, 10980), (2562, 9870), (2745, 9212), (2820, 8967), (2867, 8820), (2940, 8601), (2961, 8540), (2989, 8460), (3290, 7686), (3660, 6909), (3843, 6580), (3948, 6405), (4230, 5978), (4270, 5922), (4410, 5734), (4606, 5490), (4935, 5124)]