256403448

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 256

約数和(自身を含む): 869529600

約数和(自身を除く): 613126152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 73, 84, 92, 101, 108, 126, 138, 146, 161, 168, 184, 189, 202, 207, 216, 219, 252, 276, 292, 303, 322, 378, 404, 414, 438, 483, 504, 511, 552, 584, 606, 621, 644, 657, 707, 756, 808, 828, 876, 909, 966, 1022, 1212, 1242, 1288, 1314, 1414, 1449, 1512, 1533, 1656, 1679, 1752, 1818, 1932, 1971, 2044, 2121, 2323, 2424, 2484, 2628, 2727, 2828, 2898, 3066, 3358, 3636, 3864, 3942, 4088, 4242, 4347, 4599, 4646, 4968, 5037, 5256, 5454, 5656, 5796, 6132, 6363, 6716, 6969, 7272, 7373, 7884, 8484, 8694, 9198, 9292, 10074, 10908, 11592, 11753, 12264, 12726, 13432, 13797, 13938, 14746, 15111, 15768, 16261, 16968, 17388, 18396, 18584, 19089, 20148, 20907, 21816, 22119, 23506, 25452, 27594, 27876, 29492, 30222, 32522, 34776, 35259, 36792, 38178, 40296, 41814, 44238, 45333, 47012, 48783, 50904, 51611, 55188, 55752, 58984, 60444, 62721, 65044, 66357, 70518, 76356, 83628, 88476, 90666, 94024, 97566, 103222, 105777, 110376, 120888, 125442, 130088, 132714, 141036, 146349, 152712, 154833, 167256, 169579, 176952, 181332, 195132, 199071, 206444, 211554, 250884, 265428, 282072, 292698, 309666, 317331, 339158, 362664, 390264, 398142, 412888, 423108, 439047, 464499, 501768, 508737, 530856, 585396, 619332, 634662, 678316, 796284, 846216, 878094, 928998, 1017474, 1170792, 1187053, 1238664, 1269324, 1356632, 1393497, 1526211, 1592568, 1756188, 1857996, 2034948, 2374106, 2538648, 2786994, 3052422, 3512376, 3561159, 3715992, 4069896, 4578633, 4748212, 5573988, 6104844, 7122318, 9157266, 9496424, 10683477, 11147976, 12209688, 14244636, 18314532, 21366954, 28489272, 32050431, 36629064, 42733908, 64100862, 85467816, 128201724, 256403448]

約数ペア:

[(1, 256403448), (2, 128201724), (3, 85467816), (4, 64100862), (6, 42733908), (7, 36629064), (8, 32050431), (9, 28489272), (12, 21366954), (14, 18314532), (18, 14244636), (21, 12209688), (23, 11147976), (24, 10683477), (27, 9496424), (28, 9157266), (36, 7122318), (42, 6104844), (46, 5573988), (54, 4748212), (56, 4578633), (63, 4069896), (69, 3715992), (72, 3561159), (73, 3512376), (84, 3052422), (92, 2786994), (101, 2538648), (108, 2374106), (126, 2034948), (138, 1857996), (146, 1756188), (161, 1592568), (168, 1526211), (184, 1393497), (189, 1356632), (202, 1269324), (207, 1238664), (216, 1187053), (219, 1170792), (252, 1017474), (276, 928998), (292, 878094), (303, 846216), (322, 796284), (378, 678316), (404, 634662), (414, 619332), (438, 585396), (483, 530856), (504, 508737), (511, 501768), (552, 464499), (584, 439047), (606, 423108), (621, 412888), (644, 398142), (657, 390264), (707, 362664), (756, 339158), (808, 317331), (828, 309666), (876, 292698), (909, 282072), (966, 265428), (1022, 250884), (1212, 211554), (1242, 206444), (1288, 199071), (1314, 195132), (1414, 181332), (1449, 176952), (1512, 169579), (1533, 167256), (1656, 154833), (1679, 152712), (1752, 146349), (1818, 141036), (1932, 132714), (1971, 130088), (2044, 125442), (2121, 120888), (2323, 110376), (2424, 105777), (2484, 103222), (2628, 97566), (2727, 94024), (2828, 90666), (2898, 88476), (3066, 83628), (3358, 76356), (3636, 70518), (3864, 66357), (3942, 65044), (4088, 62721), (4242, 60444), (4347, 58984), (4599, 55752), (4646, 55188), (4968, 51611), (5037, 50904), (5256, 48783), (5454, 47012), (5656, 45333), (5796, 44238), (6132, 41814), (6363, 40296), (6716, 38178), (6969, 36792), (7272, 35259), (7373, 34776), (7884, 32522), (8484, 30222), (8694, 29492), (9198, 27876), (9292, 27594), (10074, 25452), (10908, 23506), (11592, 22119), (11753, 21816), (12264, 20907), (12726, 20148), (13432, 19089), (13797, 18584), (13938, 18396), (14746, 17388), (15111, 16968), (15768, 16261)]