67390720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 181016640

約数和(自身を除く): 113625920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 163, 170, 190, 256, 272, 304, 320, 323, 326, 340, 380, 544, 608, 640, 646, 652, 680, 760, 815, 1088, 1216, 1280, 1292, 1304, 1360, 1520, 1615, 1630, 2176, 2432, 2584, 2608, 2720, 2771, 3040, 3097, 3230, 3260, 4352, 4864, 5168, 5216, 5440, 5542, 6080, 6194, 6460, 6520, 10336, 10432, 10880, 11084, 12160, 12388, 12920, 13040, 13855, 15485, 20672, 20864, 21760, 22168, 24320, 24776, 25840, 26080, 27710, 30970, 41344, 41728, 44336, 49552, 51680, 52160, 52649, 55420, 61940, 82688, 88672, 99104, 103360, 104320, 105298, 110840, 123880, 177344, 198208, 206720, 208640, 210596, 221680, 247760, 263245, 354688, 396416, 413440, 421192, 443360, 495520, 526490, 709376, 792832, 842384, 886720, 991040, 1052980, 1684768, 1773440, 1982080, 2105960, 3369536, 3546880, 3964160, 4211920, 6739072, 8423840, 13478144, 16847680, 33695360, 67390720]

約数ペア:

[(1, 67390720), (2, 33695360), (4, 16847680), (5, 13478144), (8, 8423840), (10, 6739072), (16, 4211920), (17, 3964160), (19, 3546880), (20, 3369536), (32, 2105960), (34, 1982080), (38, 1773440), (40, 1684768), (64, 1052980), (68, 991040), (76, 886720), (80, 842384), (85, 792832), (95, 709376), (128, 526490), (136, 495520), (152, 443360), (160, 421192), (163, 413440), (170, 396416), (190, 354688), (256, 263245), (272, 247760), (304, 221680), (320, 210596), (323, 208640), (326, 206720), (340, 198208), (380, 177344), (544, 123880), (608, 110840), (640, 105298), (646, 104320), (652, 103360), (680, 99104), (760, 88672), (815, 82688), (1088, 61940), (1216, 55420), (1280, 52649), (1292, 52160), (1304, 51680), (1360, 49552), (1520, 44336), (1615, 41728), (1630, 41344), (2176, 30970), (2432, 27710), (2584, 26080), (2608, 25840), (2720, 24776), (2771, 24320), (3040, 22168), (3097, 21760), (3230, 20864), (3260, 20672), (4352, 15485), (4864, 13855), (5168, 13040), (5216, 12920), (5440, 12388), (5542, 12160), (6080, 11084), (6194, 10880), (6460, 10432), (6520, 10336)]