1331898720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:805

約数の個数: 192

約数和(自身を含む): 4405653504

約数和(自身を除く): 3073754784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 223, 230, 240, 276, 345, 368, 446, 460, 480, 541, 552, 669, 690, 736, 892, 920, 1082, 1104, 1115, 1338, 1380, 1623, 1784, 1840, 2164, 2208, 2230, 2676, 2705, 2760, 3246, 3345, 3568, 3680, 4328, 4460, 5129, 5352, 5410, 5520, 6492, 6690, 7136, 8115, 8656, 8920, 10258, 10704, 10820, 11040, 12443, 12984, 13380, 15387, 16230, 17312, 17840, 20516, 21408, 21640, 24886, 25645, 25968, 26760, 30774, 32460, 35680, 37329, 41032, 43280, 49772, 51290, 51936, 53520, 61548, 62215, 64920, 74658, 76935, 82064, 86560, 99544, 102580, 107040, 120643, 123096, 124430, 129840, 149316, 153870, 164128, 186645, 199088, 205160, 241286, 246192, 248860, 259680, 298632, 307740, 361929, 373290, 398176, 410320, 482572, 492384, 497720, 597264, 603215, 615480, 723858, 746580, 820640, 965144, 995440, 1194528, 1206430, 1230960, 1447716, 1493160, 1809645, 1930288, 1990880, 2412860, 2461920, 2774789, 2895432, 2986320, 3619290, 3860576, 4825720, 5549578, 5790864, 5972640, 7238580, 8324367, 9651440, 11099156, 11581728, 13873945, 14477160, 16648734, 19302880, 22198312, 27747890, 28954320, 33297468, 41621835, 44396624, 55495780, 57908640, 66594936, 83243670, 88793248, 110991560, 133189872, 166487340, 221983120, 266379744, 332974680, 443966240, 665949360, 1331898720]

約数ペア:

[(1, 1331898720), (2, 665949360), (3, 443966240), (4, 332974680), (5, 266379744), (6, 221983120), (8, 166487340), (10, 133189872), (12, 110991560), (15, 88793248), (16, 83243670), (20, 66594936), (23, 57908640), (24, 55495780), (30, 44396624), (32, 41621835), (40, 33297468), (46, 28954320), (48, 27747890), (60, 22198312), (69, 19302880), (80, 16648734), (92, 14477160), (96, 13873945), (115, 11581728), (120, 11099156), (138, 9651440), (160, 8324367), (184, 7238580), (223, 5972640), (230, 5790864), (240, 5549578), (276, 4825720), (345, 3860576), (368, 3619290), (446, 2986320), (460, 2895432), (480, 2774789), (541, 2461920), (552, 2412860), (669, 1990880), (690, 1930288), (736, 1809645), (892, 1493160), (920, 1447716), (1082, 1230960), (1104, 1206430), (1115, 1194528), (1338, 995440), (1380, 965144), (1623, 820640), (1784, 746580), (1840, 723858), (2164, 615480), (2208, 603215), (2230, 597264), (2676, 497720), (2705, 492384), (2760, 482572), (3246, 410320), (3345, 398176), (3568, 373290), (3680, 361929), (4328, 307740), (4460, 298632), (5129, 259680), (5352, 248860), (5410, 246192), (5520, 241286), (6492, 205160), (6690, 199088), (7136, 186645), (8115, 164128), (8656, 153870), (8920, 149316), (10258, 129840), (10704, 124430), (10820, 123096), (11040, 120643), (12443, 107040), (12984, 102580), (13380, 99544), (15387, 86560), (16230, 82064), (17312, 76935), (17840, 74658), (20516, 64920), (21408, 62215), (21640, 61548), (24886, 53520), (25645, 51936), (25968, 51290), (26760, 49772), (30774, 43280), (32460, 41032), (35680, 37329)]