81847360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:684

約数の個数: 112

約数和(自身を含む): 226771200

約数和(自身を除く): 144923840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 599, 610, 854, 976, 1120, 1198, 1220, 1708, 1952, 2135, 2240, 2396, 2440, 2995, 3416, 3904, 4193, 4270, 4792, 4880, 5990, 6832, 8386, 8540, 9584, 9760, 11980, 13664, 16772, 17080, 19168, 19520, 20965, 23960, 27328, 33544, 34160, 36539, 38336, 41930, 47920, 67088, 68320, 73078, 83860, 95840, 134176, 136640, 146156, 167720, 182695, 191680, 255773, 268352, 292312, 335440, 365390, 511546, 584624, 670880, 730780, 1023092, 1169248, 1278865, 1341760, 1461560, 2046184, 2338496, 2557730, 2923120, 4092368, 5115460, 5846240, 8184736, 10230920, 11692480, 16369472, 20461840, 40923680, 81847360]

約数ペア:

[(1, 81847360), (2, 40923680), (4, 20461840), (5, 16369472), (7, 11692480), (8, 10230920), (10, 8184736), (14, 5846240), (16, 5115460), (20, 4092368), (28, 2923120), (32, 2557730), (35, 2338496), (40, 2046184), (56, 1461560), (61, 1341760), (64, 1278865), (70, 1169248), (80, 1023092), (112, 730780), (122, 670880), (140, 584624), (160, 511546), (224, 365390), (244, 335440), (280, 292312), (305, 268352), (320, 255773), (427, 191680), (448, 182695), (488, 167720), (560, 146156), (599, 136640), (610, 134176), (854, 95840), (976, 83860), (1120, 73078), (1198, 68320), (1220, 67088), (1708, 47920), (1952, 41930), (2135, 38336), (2240, 36539), (2396, 34160), (2440, 33544), (2995, 27328), (3416, 23960), (3904, 20965), (4193, 19520), (4270, 19168), (4792, 17080), (4880, 16772), (5990, 13664), (6832, 11980), (8386, 9760), (8540, 9584)]