255858720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 192

約数和(自身を含む): 877371264

約数和(自身を除く): 621512544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 131, 156, 160, 195, 208, 240, 260, 262, 312, 313, 390, 393, 416, 480, 520, 524, 624, 626, 655, 780, 786, 939, 1040, 1048, 1248, 1252, 1310, 1560, 1565, 1572, 1703, 1878, 1965, 2080, 2096, 2504, 2620, 3120, 3130, 3144, 3406, 3756, 3930, 4069, 4192, 4695, 5008, 5109, 5240, 6240, 6260, 6288, 6812, 7512, 7860, 8138, 8515, 9390, 10016, 10218, 10480, 12207, 12520, 12576, 13624, 15024, 15720, 16276, 17030, 18780, 20345, 20436, 20960, 24414, 25040, 25545, 27248, 30048, 31440, 32552, 34060, 37560, 40690, 40872, 41003, 48828, 50080, 51090, 54496, 61035, 62880, 65104, 68120, 75120, 81380, 81744, 82006, 97656, 102180, 122070, 123009, 130208, 136240, 150240, 162760, 163488, 164012, 195312, 204360, 205015, 244140, 246018, 272480, 325520, 328024, 390624, 408720, 410030, 488280, 492036, 533039, 615045, 651040, 656048, 817440, 820060, 976560, 984072, 1066078, 1230090, 1312096, 1599117, 1640120, 1953120, 1968144, 2132156, 2460180, 2665195, 3198234, 3280240, 3936288, 4264312, 4920360, 5330390, 6396468, 6560480, 7995585, 8528624, 9840720, 10660780, 12792936, 15991170, 17057248, 19681440, 21321560, 25585872, 31982340, 42643120, 51171744, 63964680, 85286240, 127929360, 255858720]

約数ペア:

[(1, 255858720), (2, 127929360), (3, 85286240), (4, 63964680), (5, 51171744), (6, 42643120), (8, 31982340), (10, 25585872), (12, 21321560), (13, 19681440), (15, 17057248), (16, 15991170), (20, 12792936), (24, 10660780), (26, 9840720), (30, 8528624), (32, 7995585), (39, 6560480), (40, 6396468), (48, 5330390), (52, 4920360), (60, 4264312), (65, 3936288), (78, 3280240), (80, 3198234), (96, 2665195), (104, 2460180), (120, 2132156), (130, 1968144), (131, 1953120), (156, 1640120), (160, 1599117), (195, 1312096), (208, 1230090), (240, 1066078), (260, 984072), (262, 976560), (312, 820060), (313, 817440), (390, 656048), (393, 651040), (416, 615045), (480, 533039), (520, 492036), (524, 488280), (624, 410030), (626, 408720), (655, 390624), (780, 328024), (786, 325520), (939, 272480), (1040, 246018), (1048, 244140), (1248, 205015), (1252, 204360), (1310, 195312), (1560, 164012), (1565, 163488), (1572, 162760), (1703, 150240), (1878, 136240), (1965, 130208), (2080, 123009), (2096, 122070), (2504, 102180), (2620, 97656), (3120, 82006), (3130, 81744), (3144, 81380), (3406, 75120), (3756, 68120), (3930, 65104), (4069, 62880), (4192, 61035), (4695, 54496), (5008, 51090), (5109, 50080), (5240, 48828), (6240, 41003), (6260, 40872), (6288, 40690), (6812, 37560), (7512, 34060), (7860, 32552), (8138, 31440), (8515, 30048), (9390, 27248), (10016, 25545), (10218, 25040), (10480, 24414), (12207, 20960), (12520, 20436), (12576, 20345), (13624, 18780), (15024, 17030), (15720, 16276)]