61809280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:91

約数の個数: 256

約数和(自身を含む): 185068800

約数和(自身を除く): 123259520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 23, 26, 32, 34, 38, 40, 46, 52, 64, 65, 68, 76, 80, 85, 92, 95, 104, 115, 128, 130, 136, 152, 160, 170, 184, 190, 208, 221, 230, 247, 260, 272, 299, 304, 320, 323, 340, 368, 380, 391, 416, 437, 442, 460, 494, 520, 544, 598, 608, 640, 646, 680, 736, 760, 782, 832, 874, 884, 920, 988, 1040, 1088, 1105, 1196, 1216, 1235, 1292, 1360, 1472, 1495, 1520, 1564, 1615, 1664, 1748, 1768, 1840, 1955, 1976, 2080, 2176, 2185, 2210, 2392, 2432, 2470, 2584, 2720, 2944, 2990, 3040, 3128, 3230, 3496, 3536, 3680, 3910, 3952, 4160, 4199, 4370, 4420, 4784, 4940, 5083, 5168, 5440, 5681, 5980, 6080, 6256, 6460, 6992, 7072, 7360, 7429, 7820, 7904, 8320, 8398, 8740, 8840, 9568, 9880, 10166, 10336, 10880, 11362, 11960, 12160, 12512, 12920, 13984, 14144, 14720, 14858, 15640, 15808, 16796, 17480, 17680, 19136, 19760, 20332, 20672, 20995, 22724, 23920, 25024, 25415, 25840, 27968, 28288, 28405, 29716, 31280, 31616, 33592, 34960, 35360, 37145, 38272, 39520, 40664, 41344, 41990, 45448, 47840, 50048, 50830, 51680, 55936, 56810, 59432, 62560, 67184, 69920, 70720, 74290, 79040, 81328, 83980, 90896, 95680, 96577, 101660, 103360, 113620, 118864, 125120, 134368, 139840, 141440, 148580, 158080, 162656, 167960, 181792, 191360, 193154, 203320, 206720, 227240, 237728, 250240, 268736, 279680, 297160, 325312, 335920, 363584, 386308, 406640, 454480, 475456, 482885, 537472, 594320, 650624, 671840, 727168, 772616, 813280, 908960, 950912, 965770, 1188640, 1343680, 1545232, 1626560, 1817920, 1931540, 2377280, 2687360, 3090464, 3253120, 3635840, 3863080, 4754560, 6180928, 7726160, 12361856, 15452320, 30904640, 61809280]

約数ペア:

[(1, 61809280), (2, 30904640), (4, 15452320), (5, 12361856), (8, 7726160), (10, 6180928), (13, 4754560), (16, 3863080), (17, 3635840), (19, 3253120), (20, 3090464), (23, 2687360), (26, 2377280), (32, 1931540), (34, 1817920), (38, 1626560), (40, 1545232), (46, 1343680), (52, 1188640), (64, 965770), (65, 950912), (68, 908960), (76, 813280), (80, 772616), (85, 727168), (92, 671840), (95, 650624), (104, 594320), (115, 537472), (128, 482885), (130, 475456), (136, 454480), (152, 406640), (160, 386308), (170, 363584), (184, 335920), (190, 325312), (208, 297160), (221, 279680), (230, 268736), (247, 250240), (260, 237728), (272, 227240), (299, 206720), (304, 203320), (320, 193154), (323, 191360), (340, 181792), (368, 167960), (380, 162656), (391, 158080), (416, 148580), (437, 141440), (442, 139840), (460, 134368), (494, 125120), (520, 118864), (544, 113620), (598, 103360), (608, 101660), (640, 96577), (646, 95680), (680, 90896), (736, 83980), (760, 81328), (782, 79040), (832, 74290), (874, 70720), (884, 69920), (920, 67184), (988, 62560), (1040, 59432), (1088, 56810), (1105, 55936), (1196, 51680), (1216, 50830), (1235, 50048), (1292, 47840), (1360, 45448), (1472, 41990), (1495, 41344), (1520, 40664), (1564, 39520), (1615, 38272), (1664, 37145), (1748, 35360), (1768, 34960), (1840, 33592), (1955, 31616), (1976, 31280), (2080, 29716), (2176, 28405), (2185, 28288), (2210, 27968), (2392, 25840), (2432, 25415), (2470, 25024), (2584, 23920), (2720, 22724), (2944, 20995), (2990, 20672), (3040, 20332), (3128, 19760), (3230, 19136), (3496, 17680), (3536, 17480), (3680, 16796), (3910, 15808), (3952, 15640), (4160, 14858), (4199, 14720), (4370, 14144), (4420, 13984), (4784, 12920), (4940, 12512), (5083, 12160), (5168, 11960), (5440, 11362), (5681, 10880), (5980, 10336), (6080, 10166), (6256, 9880), (6460, 9568), (6992, 8840), (7072, 8740), (7360, 8398), (7429, 8320), (7820, 7904)]