12609920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 34149600

約数和(自身を除く): 21539680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 61, 64, 68, 76, 80, 85, 95, 122, 128, 136, 152, 160, 170, 190, 244, 272, 304, 305, 320, 323, 340, 380, 488, 544, 608, 610, 640, 646, 680, 760, 976, 1037, 1088, 1159, 1216, 1220, 1292, 1360, 1520, 1615, 1952, 2074, 2176, 2318, 2432, 2440, 2584, 2720, 3040, 3230, 3904, 4148, 4636, 4880, 5168, 5185, 5440, 5795, 6080, 6460, 7808, 8296, 9272, 9760, 10336, 10370, 10880, 11590, 12160, 12920, 16592, 18544, 19520, 19703, 20672, 20740, 23180, 25840, 33184, 37088, 39040, 39406, 41344, 41480, 46360, 51680, 66368, 74176, 78812, 82960, 92720, 98515, 103360, 132736, 148352, 157624, 165920, 185440, 197030, 206720, 315248, 331840, 370880, 394060, 630496, 663680, 741760, 788120, 1260992, 1576240, 2521984, 3152480, 6304960, 12609920]

約数ペア:

[(1, 12609920), (2, 6304960), (4, 3152480), (5, 2521984), (8, 1576240), (10, 1260992), (16, 788120), (17, 741760), (19, 663680), (20, 630496), (32, 394060), (34, 370880), (38, 331840), (40, 315248), (61, 206720), (64, 197030), (68, 185440), (76, 165920), (80, 157624), (85, 148352), (95, 132736), (122, 103360), (128, 98515), (136, 92720), (152, 82960), (160, 78812), (170, 74176), (190, 66368), (244, 51680), (272, 46360), (304, 41480), (305, 41344), (320, 39406), (323, 39040), (340, 37088), (380, 33184), (488, 25840), (544, 23180), (608, 20740), (610, 20672), (640, 19703), (646, 19520), (680, 18544), (760, 16592), (976, 12920), (1037, 12160), (1088, 11590), (1159, 10880), (1216, 10370), (1220, 10336), (1292, 9760), (1360, 9272), (1520, 8296), (1615, 7808), (1952, 6460), (2074, 6080), (2176, 5795), (2318, 5440), (2432, 5185), (2440, 5168), (2584, 4880), (2720, 4636), (3040, 4148), (3230, 3904)]