261639690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 256

約数和(自身を含む): 789626880

約数和(自身を除く): 527987190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 31, 34, 38, 39, 51, 57, 62, 65, 67, 78, 85, 93, 95, 102, 114, 130, 134, 155, 170, 186, 190, 195, 201, 221, 247, 255, 285, 310, 323, 335, 390, 402, 403, 442, 465, 494, 510, 527, 570, 589, 646, 663, 670, 741, 806, 871, 930, 969, 1005, 1054, 1105, 1139, 1178, 1209, 1235, 1273, 1326, 1482, 1581, 1615, 1742, 1767, 1938, 2010, 2015, 2077, 2210, 2278, 2418, 2470, 2546, 2613, 2635, 2945, 3162, 3230, 3315, 3417, 3534, 3705, 3819, 4030, 4154, 4199, 4355, 4845, 5226, 5270, 5695, 5890, 6045, 6231, 6365, 6630, 6834, 6851, 7410, 7638, 7657, 7905, 8398, 8710, 8835, 9690, 10013, 10385, 11390, 12090, 12462, 12597, 12730, 13065, 13702, 14807, 15314, 15810, 16549, 17085, 17670, 19095, 20026, 20553, 20770, 20995, 21641, 22971, 25194, 26130, 27001, 29614, 30039, 31155, 33098, 34170, 34255, 35309, 38190, 38285, 39463, 41106, 41990, 43282, 44421, 45942, 49647, 50065, 54002, 60078, 62310, 62985, 64923, 68510, 70618, 74035, 76570, 78926, 81003, 82745, 88842, 99294, 100130, 102765, 105927, 108205, 114855, 118389, 125970, 129846, 130169, 135005, 148070, 150195, 162006, 165490, 176545, 197315, 205530, 211854, 216410, 222105, 229710, 236778, 248235, 260338, 270010, 281333, 300390, 324615, 353090, 390507, 394630, 405015, 444210, 459017, 496470, 513019, 529635, 562666, 591945, 649230, 650845, 670871, 781014, 810030, 843999, 918034, 1026038, 1059270, 1183890, 1301690, 1341742, 1377051, 1406665, 1539057, 1687998, 1952535, 2012613, 2295085, 2565095, 2754102, 2813330, 3078114, 3354355, 3905070, 4025226, 4219995, 4590170, 5130190, 6708710, 6885255, 7695285, 8439990, 8721323, 10063065, 13770510, 15390570, 17442646, 20126130, 26163969, 43606615, 52327938, 87213230, 130819845, 261639690]

約数ペア:

[(1, 261639690), (2, 130819845), (3, 87213230), (5, 52327938), (6, 43606615), (10, 26163969), (13, 20126130), (15, 17442646), (17, 15390570), (19, 13770510), (26, 10063065), (30, 8721323), (31, 8439990), (34, 7695285), (38, 6885255), (39, 6708710), (51, 5130190), (57, 4590170), (62, 4219995), (65, 4025226), (67, 3905070), (78, 3354355), (85, 3078114), (93, 2813330), (95, 2754102), (102, 2565095), (114, 2295085), (130, 2012613), (134, 1952535), (155, 1687998), (170, 1539057), (186, 1406665), (190, 1377051), (195, 1341742), (201, 1301690), (221, 1183890), (247, 1059270), (255, 1026038), (285, 918034), (310, 843999), (323, 810030), (335, 781014), (390, 670871), (402, 650845), (403, 649230), (442, 591945), (465, 562666), (494, 529635), (510, 513019), (527, 496470), (570, 459017), (589, 444210), (646, 405015), (663, 394630), (670, 390507), (741, 353090), (806, 324615), (871, 300390), (930, 281333), (969, 270010), (1005, 260338), (1054, 248235), (1105, 236778), (1139, 229710), (1178, 222105), (1209, 216410), (1235, 211854), (1273, 205530), (1326, 197315), (1482, 176545), (1581, 165490), (1615, 162006), (1742, 150195), (1767, 148070), (1938, 135005), (2010, 130169), (2015, 129846), (2077, 125970), (2210, 118389), (2278, 114855), (2418, 108205), (2470, 105927), (2546, 102765), (2613, 100130), (2635, 99294), (2945, 88842), (3162, 82745), (3230, 81003), (3315, 78926), (3417, 76570), (3534, 74035), (3705, 70618), (3819, 68510), (4030, 64923), (4154, 62985), (4199, 62310), (4355, 60078), (4845, 54002), (5226, 50065), (5270, 49647), (5695, 45942), (5890, 44421), (6045, 43282), (6231, 41990), (6365, 41106), (6630, 39463), (6834, 38285), (6851, 38190), (7410, 35309), (7638, 34255), (7657, 34170), (7905, 33098), (8398, 31155), (8710, 30039), (8835, 29614), (9690, 27001), (10013, 26130), (10385, 25194), (11390, 22971), (12090, 21641), (12462, 20995), (12597, 20770), (12730, 20553), (13065, 20026), (13702, 19095), (14807, 17670), (15314, 17085), (15810, 16549)]