258989640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:712

約数の個数: 256

約数和(自身を含む): 983646720

約数和(自身を除く): 724657080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 52, 56, 60, 65, 70, 74, 78, 84, 91, 104, 105, 111, 120, 130, 140, 148, 156, 168, 182, 185, 195, 210, 222, 259, 260, 273, 280, 296, 312, 364, 370, 390, 420, 444, 455, 481, 518, 520, 546, 555, 641, 728, 740, 777, 780, 840, 888, 910, 962, 1036, 1092, 1110, 1282, 1295, 1365, 1443, 1480, 1554, 1560, 1820, 1923, 1924, 2072, 2184, 2220, 2405, 2564, 2590, 2730, 2886, 3108, 3205, 3367, 3640, 3846, 3848, 3885, 4440, 4487, 4810, 5128, 5180, 5460, 5772, 6216, 6410, 6734, 7215, 7692, 7770, 8333, 8974, 9615, 9620, 10101, 10360, 10920, 11544, 12820, 13461, 13468, 14430, 15384, 15540, 16666, 16835, 17948, 19230, 19240, 20202, 22435, 23717, 24999, 25640, 26922, 26936, 28860, 31080, 33332, 33670, 35896, 38460, 40404, 41665, 44870, 47434, 49998, 50505, 53844, 57720, 58331, 66664, 67305, 67340, 71151, 76920, 80808, 83330, 89740, 94868, 99996, 101010, 107688, 116662, 118585, 124995, 134610, 134680, 142302, 166019, 166660, 174993, 179480, 189736, 199992, 202020, 233324, 237170, 249990, 269220, 284604, 291655, 308321, 332038, 333320, 349986, 355755, 404040, 466648, 474340, 498057, 499980, 538440, 569208, 583310, 616642, 664076, 699972, 711510, 830095, 874965, 924963, 948680, 996114, 999960, 1166620, 1233284, 1328152, 1399944, 1423020, 1541605, 1660190, 1749930, 1849926, 1992228, 2158247, 2333240, 2466568, 2490285, 2846040, 3083210, 3320380, 3499860, 3699852, 3984456, 4316494, 4624815, 4980570, 6166420, 6474741, 6640760, 6999720, 7399704, 8632988, 9249630, 9961140, 10791235, 12332840, 12949482, 17265976, 18499260, 19922280, 21582470, 25898964, 32373705, 36998520, 43164940, 51797928, 64747410, 86329880, 129494820, 258989640]

約数ペア:

[(1, 258989640), (2, 129494820), (3, 86329880), (4, 64747410), (5, 51797928), (6, 43164940), (7, 36998520), (8, 32373705), (10, 25898964), (12, 21582470), (13, 19922280), (14, 18499260), (15, 17265976), (20, 12949482), (21, 12332840), (24, 10791235), (26, 9961140), (28, 9249630), (30, 8632988), (35, 7399704), (37, 6999720), (39, 6640760), (40, 6474741), (42, 6166420), (52, 4980570), (56, 4624815), (60, 4316494), (65, 3984456), (70, 3699852), (74, 3499860), (78, 3320380), (84, 3083210), (91, 2846040), (104, 2490285), (105, 2466568), (111, 2333240), (120, 2158247), (130, 1992228), (140, 1849926), (148, 1749930), (156, 1660190), (168, 1541605), (182, 1423020), (185, 1399944), (195, 1328152), (210, 1233284), (222, 1166620), (259, 999960), (260, 996114), (273, 948680), (280, 924963), (296, 874965), (312, 830095), (364, 711510), (370, 699972), (390, 664076), (420, 616642), (444, 583310), (455, 569208), (481, 538440), (518, 499980), (520, 498057), (546, 474340), (555, 466648), (641, 404040), (728, 355755), (740, 349986), (777, 333320), (780, 332038), (840, 308321), (888, 291655), (910, 284604), (962, 269220), (1036, 249990), (1092, 237170), (1110, 233324), (1282, 202020), (1295, 199992), (1365, 189736), (1443, 179480), (1480, 174993), (1554, 166660), (1560, 166019), (1820, 142302), (1923, 134680), (1924, 134610), (2072, 124995), (2184, 118585), (2220, 116662), (2405, 107688), (2564, 101010), (2590, 99996), (2730, 94868), (2886, 89740), (3108, 83330), (3205, 80808), (3367, 76920), (3640, 71151), (3846, 67340), (3848, 67305), (3885, 66664), (4440, 58331), (4487, 57720), (4810, 53844), (5128, 50505), (5180, 49998), (5460, 47434), (5772, 44870), (6216, 41665), (6410, 40404), (6734, 38460), (7215, 35896), (7692, 33670), (7770, 33332), (8333, 31080), (8974, 28860), (9615, 26936), (9620, 26922), (10101, 25640), (10360, 24999), (10920, 23717), (11544, 22435), (12820, 20202), (13461, 19240), (13468, 19230), (14430, 17948), (15384, 16835), (15540, 16666)]