68373760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 201914496

約数和(自身を除く): 133540736

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 587, 640, 728, 832, 896, 910, 1040, 1120, 1174, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2348, 2912, 2935, 3328, 3640, 4109, 4160, 4480, 4696, 5824, 5870, 7280, 7631, 8218, 8320, 8960, 9392, 11648, 11740, 14560, 15262, 16436, 16640, 18784, 20545, 23296, 23480, 29120, 30524, 32872, 37568, 38155, 41090, 46960, 53417, 58240, 61048, 65744, 75136, 76310, 82180, 93920, 106834, 116480, 122096, 131488, 150272, 152620, 164360, 187840, 213668, 244192, 262976, 267085, 305240, 328720, 375680, 427336, 488384, 525952, 534170, 610480, 657440, 751360, 854672, 976768, 1051904, 1068340, 1220960, 1314880, 1709344, 1953536, 2136680, 2441920, 2629760, 3418688, 4273360, 4883840, 5259520, 6837376, 8546720, 9767680, 13674752, 17093440, 34186880, 68373760]

約数ペア:

[(1, 68373760), (2, 34186880), (4, 17093440), (5, 13674752), (7, 9767680), (8, 8546720), (10, 6837376), (13, 5259520), (14, 4883840), (16, 4273360), (20, 3418688), (26, 2629760), (28, 2441920), (32, 2136680), (35, 1953536), (40, 1709344), (52, 1314880), (56, 1220960), (64, 1068340), (65, 1051904), (70, 976768), (80, 854672), (91, 751360), (104, 657440), (112, 610480), (128, 534170), (130, 525952), (140, 488384), (160, 427336), (182, 375680), (208, 328720), (224, 305240), (256, 267085), (260, 262976), (280, 244192), (320, 213668), (364, 187840), (416, 164360), (448, 152620), (455, 150272), (520, 131488), (560, 122096), (587, 116480), (640, 106834), (728, 93920), (832, 82180), (896, 76310), (910, 75136), (1040, 65744), (1120, 61048), (1174, 58240), (1280, 53417), (1456, 46960), (1664, 41090), (1792, 38155), (1820, 37568), (2080, 32872), (2240, 30524), (2348, 29120), (2912, 23480), (2935, 23296), (3328, 20545), (3640, 18784), (4109, 16640), (4160, 16436), (4480, 15262), (4696, 14560), (5824, 11740), (5870, 11648), (7280, 9392), (7631, 8960), (8218, 8320)]