251149080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 256

約数和(自身を含む): 940262400

約数和(自身を除く): 689113320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 109, 120, 130, 140, 156, 168, 182, 195, 210, 211, 218, 260, 273, 280, 312, 327, 364, 390, 420, 422, 436, 455, 520, 545, 546, 633, 654, 728, 763, 780, 840, 844, 872, 910, 1055, 1090, 1092, 1266, 1308, 1365, 1417, 1477, 1526, 1560, 1635, 1688, 1820, 2110, 2180, 2184, 2289, 2532, 2616, 2730, 2743, 2834, 2954, 3052, 3165, 3270, 3640, 3815, 4220, 4251, 4360, 4431, 4578, 5064, 5460, 5486, 5668, 5908, 6104, 6330, 6540, 7085, 7385, 7630, 8229, 8440, 8502, 8862, 9156, 9919, 10920, 10972, 11336, 11445, 11816, 12660, 13080, 13715, 14170, 14770, 15260, 16458, 17004, 17724, 18312, 19201, 19838, 21255, 21944, 22155, 22890, 22999, 25320, 27430, 28340, 29540, 29757, 30520, 32916, 34008, 35448, 38402, 39676, 41145, 42510, 44310, 45780, 45998, 49595, 54860, 56680, 57603, 59080, 59514, 65832, 68997, 76804, 79352, 82290, 85020, 88620, 91560, 91996, 96005, 99190, 109720, 114995, 115206, 119028, 137994, 148785, 153608, 160993, 164580, 170040, 177240, 183992, 192010, 198380, 229990, 230412, 238056, 275988, 288015, 297570, 298987, 321986, 329160, 344985, 384020, 396760, 459980, 460824, 482979, 551976, 576030, 595140, 597974, 643972, 689970, 768040, 804965, 896961, 919960, 965958, 1152060, 1190280, 1195948, 1287944, 1379940, 1494935, 1609930, 1793922, 1931916, 2092909, 2304120, 2391896, 2414895, 2759880, 2989870, 3219860, 3587844, 3863832, 4185818, 4484805, 4829790, 5979740, 6278727, 6439720, 7175688, 8371636, 8969610, 9659580, 10464545, 11959480, 12557454, 16743272, 17939220, 19319160, 20929090, 25114908, 31393635, 35878440, 41858180, 50229816, 62787270, 83716360, 125574540, 251149080]

約数ペア:

[(1, 251149080), (2, 125574540), (3, 83716360), (4, 62787270), (5, 50229816), (6, 41858180), (7, 35878440), (8, 31393635), (10, 25114908), (12, 20929090), (13, 19319160), (14, 17939220), (15, 16743272), (20, 12557454), (21, 11959480), (24, 10464545), (26, 9659580), (28, 8969610), (30, 8371636), (35, 7175688), (39, 6439720), (40, 6278727), (42, 5979740), (52, 4829790), (56, 4484805), (60, 4185818), (65, 3863832), (70, 3587844), (78, 3219860), (84, 2989870), (91, 2759880), (104, 2414895), (105, 2391896), (109, 2304120), (120, 2092909), (130, 1931916), (140, 1793922), (156, 1609930), (168, 1494935), (182, 1379940), (195, 1287944), (210, 1195948), (211, 1190280), (218, 1152060), (260, 965958), (273, 919960), (280, 896961), (312, 804965), (327, 768040), (364, 689970), (390, 643972), (420, 597974), (422, 595140), (436, 576030), (455, 551976), (520, 482979), (545, 460824), (546, 459980), (633, 396760), (654, 384020), (728, 344985), (763, 329160), (780, 321986), (840, 298987), (844, 297570), (872, 288015), (910, 275988), (1055, 238056), (1090, 230412), (1092, 229990), (1266, 198380), (1308, 192010), (1365, 183992), (1417, 177240), (1477, 170040), (1526, 164580), (1560, 160993), (1635, 153608), (1688, 148785), (1820, 137994), (2110, 119028), (2180, 115206), (2184, 114995), (2289, 109720), (2532, 99190), (2616, 96005), (2730, 91996), (2743, 91560), (2834, 88620), (2954, 85020), (3052, 82290), (3165, 79352), (3270, 76804), (3640, 68997), (3815, 65832), (4220, 59514), (4251, 59080), (4360, 57603), (4431, 56680), (4578, 54860), (5064, 49595), (5460, 45998), (5486, 45780), (5668, 44310), (5908, 42510), (6104, 41145), (6330, 39676), (6540, 38402), (7085, 35448), (7385, 34008), (7630, 32916), (8229, 30520), (8440, 29757), (8502, 29540), (8862, 28340), (9156, 27430), (9919, 25320), (10920, 22999), (10972, 22890), (11336, 22155), (11445, 21944), (11816, 21255), (12660, 19838), (13080, 19201), (13715, 18312), (14170, 17724), (14770, 17004), (15260, 16458)]