26780280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 86814720

約数和(自身を除く): 60034440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 313, 345, 372, 460, 465, 552, 620, 626, 690, 713, 744, 920, 930, 939, 1240, 1252, 1380, 1426, 1565, 1860, 1878, 2139, 2504, 2760, 2852, 3130, 3565, 3720, 3756, 4278, 4695, 5704, 6260, 7130, 7199, 7512, 8556, 9390, 9703, 10695, 12520, 14260, 14398, 17112, 18780, 19406, 21390, 21597, 28520, 28796, 29109, 35995, 37560, 38812, 42780, 43194, 48515, 57592, 58218, 71990, 77624, 85560, 86388, 97030, 107985, 116436, 143980, 145545, 172776, 194060, 215970, 223169, 232872, 287960, 291090, 388120, 431940, 446338, 582180, 669507, 863880, 892676, 1115845, 1164360, 1339014, 1785352, 2231690, 2678028, 3347535, 4463380, 5356056, 6695070, 8926760, 13390140, 26780280]

約数ペア:

[(1, 26780280), (2, 13390140), (3, 8926760), (4, 6695070), (5, 5356056), (6, 4463380), (8, 3347535), (10, 2678028), (12, 2231690), (15, 1785352), (20, 1339014), (23, 1164360), (24, 1115845), (30, 892676), (31, 863880), (40, 669507), (46, 582180), (60, 446338), (62, 431940), (69, 388120), (92, 291090), (93, 287960), (115, 232872), (120, 223169), (124, 215970), (138, 194060), (155, 172776), (184, 145545), (186, 143980), (230, 116436), (248, 107985), (276, 97030), (310, 86388), (313, 85560), (345, 77624), (372, 71990), (460, 58218), (465, 57592), (552, 48515), (620, 43194), (626, 42780), (690, 38812), (713, 37560), (744, 35995), (920, 29109), (930, 28796), (939, 28520), (1240, 21597), (1252, 21390), (1380, 19406), (1426, 18780), (1565, 17112), (1860, 14398), (1878, 14260), (2139, 12520), (2504, 10695), (2760, 9703), (2852, 9390), (3130, 8556), (3565, 7512), (3720, 7199), (3756, 7130), (4278, 6260), (4695, 5704)]