721227312

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:348

約数の個数: 240

約数和(自身を含む): 2332538208

約数和(自身を除く): 1611310896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 131, 136, 144, 153, 156, 173, 204, 208, 221, 234, 262, 272, 306, 312, 346, 393, 408, 442, 468, 519, 524, 612, 624, 663, 692, 786, 816, 884, 936, 1038, 1048, 1179, 1224, 1326, 1384, 1557, 1572, 1703, 1768, 1872, 1989, 2076, 2096, 2227, 2249, 2358, 2448, 2652, 2768, 2941, 3114, 3144, 3406, 3536, 3978, 4152, 4454, 4498, 4716, 5109, 5304, 5882, 6228, 6288, 6681, 6747, 6812, 7956, 8304, 8823, 8908, 8996, 9432, 10218, 10608, 11764, 12456, 13362, 13494, 13624, 15327, 15912, 17646, 17816, 17992, 18864, 20043, 20241, 20436, 22663, 23528, 24912, 26469, 26724, 26988, 27248, 28951, 30654, 31824, 35292, 35632, 35984, 38233, 40086, 40482, 40872, 45326, 47056, 52938, 53448, 53976, 57902, 61308, 67989, 70584, 76466, 80172, 80964, 81744, 86853, 90652, 105876, 106896, 107952, 114699, 115804, 122616, 135978, 141168, 152932, 160344, 161928, 173706, 181304, 203967, 211752, 229398, 231608, 245232, 260559, 271956, 294619, 305864, 320688, 323856, 344097, 347412, 362608, 385271, 407934, 423504, 458796, 463216, 521118, 543912, 589238, 611728, 688194, 694824, 770542, 815868, 883857, 917592, 1042236, 1087824, 1155813, 1178476, 1376388, 1389648, 1541084, 1631736, 1767714, 1835184, 2084472, 2311626, 2356952, 2651571, 2752776, 3082168, 3263472, 3467439, 3535428, 4168944, 4623252, 4713904, 5008523, 5303142, 5505552, 6164336, 6934878, 7070856, 9246504, 10017046, 10606284, 13869756, 14141712, 15025569, 18493008, 20034092, 21212568, 27739512, 30051138, 40068184, 42425136, 45076707, 55479024, 60102276, 80136368, 90153414, 120204552, 180306828, 240409104, 360613656, 721227312]

約数ペア:

[(1, 721227312), (2, 360613656), (3, 240409104), (4, 180306828), (6, 120204552), (8, 90153414), (9, 80136368), (12, 60102276), (13, 55479024), (16, 45076707), (17, 42425136), (18, 40068184), (24, 30051138), (26, 27739512), (34, 21212568), (36, 20034092), (39, 18493008), (48, 15025569), (51, 14141712), (52, 13869756), (68, 10606284), (72, 10017046), (78, 9246504), (102, 7070856), (104, 6934878), (117, 6164336), (131, 5505552), (136, 5303142), (144, 5008523), (153, 4713904), (156, 4623252), (173, 4168944), (204, 3535428), (208, 3467439), (221, 3263472), (234, 3082168), (262, 2752776), (272, 2651571), (306, 2356952), (312, 2311626), (346, 2084472), (393, 1835184), (408, 1767714), (442, 1631736), (468, 1541084), (519, 1389648), (524, 1376388), (612, 1178476), (624, 1155813), (663, 1087824), (692, 1042236), (786, 917592), (816, 883857), (884, 815868), (936, 770542), (1038, 694824), (1048, 688194), (1179, 611728), (1224, 589238), (1326, 543912), (1384, 521118), (1557, 463216), (1572, 458796), (1703, 423504), (1768, 407934), (1872, 385271), (1989, 362608), (2076, 347412), (2096, 344097), (2227, 323856), (2249, 320688), (2358, 305864), (2448, 294619), (2652, 271956), (2768, 260559), (2941, 245232), (3114, 231608), (3144, 229398), (3406, 211752), (3536, 203967), (3978, 181304), (4152, 173706), (4454, 161928), (4498, 160344), (4716, 152932), (5109, 141168), (5304, 135978), (5882, 122616), (6228, 115804), (6288, 114699), (6681, 107952), (6747, 106896), (6812, 105876), (7956, 90652), (8304, 86853), (8823, 81744), (8908, 80964), (8996, 80172), (9432, 76466), (10218, 70584), (10608, 67989), (11764, 61308), (12456, 57902), (13362, 53976), (13494, 53448), (13624, 52938), (15327, 47056), (15912, 45326), (17646, 40872), (17816, 40482), (17992, 40086), (18864, 38233), (20043, 35984), (20241, 35632), (20436, 35292), (22663, 31824), (23528, 30654), (24912, 28951), (26469, 27248), (26724, 26988)]