279878004

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 270

約数和(自身を含む): 918942486

約数和(自身を除く): 639064482

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 61, 63, 68, 81, 84, 98, 102, 108, 119, 122, 126, 147, 153, 162, 183, 189, 196, 204, 238, 244, 252, 289, 294, 306, 324, 357, 366, 378, 427, 441, 459, 476, 549, 567, 578, 588, 612, 714, 732, 756, 833, 854, 867, 882, 918, 1037, 1071, 1098, 1134, 1156, 1281, 1323, 1377, 1428, 1647, 1666, 1708, 1734, 1764, 1836, 2023, 2074, 2142, 2196, 2268, 2499, 2562, 2601, 2646, 2754, 2989, 3111, 3213, 3294, 3332, 3468, 3843, 3969, 4046, 4148, 4284, 4941, 4998, 5124, 5202, 5292, 5508, 5978, 6069, 6222, 6426, 6588, 7259, 7497, 7686, 7803, 7938, 8092, 8967, 9333, 9639, 9882, 9996, 10404, 11529, 11956, 12138, 12444, 12852, 14161, 14518, 14994, 15372, 15606, 15876, 17629, 17934, 18207, 18666, 19278, 19764, 21777, 22491, 23058, 23409, 24276, 26901, 27999, 28322, 29036, 29988, 31212, 34587, 35258, 35868, 36414, 37332, 38556, 42483, 43554, 44982, 46116, 46818, 50813, 52887, 53802, 54621, 55998, 56644, 65331, 67473, 69174, 70516, 72828, 80703, 83997, 84966, 87108, 89964, 93636, 101626, 105774, 107604, 109242, 111996, 123403, 127449, 130662, 134946, 138348, 152439, 158661, 161406, 163863, 167994, 169932, 195993, 203252, 211548, 218484, 242109, 246806, 254898, 261324, 269892, 304878, 317322, 322812, 327726, 335988, 370209, 382347, 391986, 457317, 475983, 484218, 493612, 509796, 587979, 609756, 634644, 655452, 740418, 764694, 783972, 863821, 914634, 951966, 968436, 1110627, 1147041, 1175958, 1371951, 1427949, 1480836, 1529388, 1727642, 1829268, 1903932, 2221254, 2294082, 2351916, 2591463, 2743902, 2855898, 3331881, 3455284, 4115853, 4442508, 4588164, 5182926, 5487804, 5711796, 6663762, 7774389, 8231706, 9995643, 10365852, 13327524, 15548778, 16463412, 19991286, 23323167, 31097556, 39982572, 46646334, 69969501, 93292668, 139939002, 279878004]

約数ペア:

[(1, 279878004), (2, 139939002), (3, 93292668), (4, 69969501), (6, 46646334), (7, 39982572), (9, 31097556), (12, 23323167), (14, 19991286), (17, 16463412), (18, 15548778), (21, 13327524), (27, 10365852), (28, 9995643), (34, 8231706), (36, 7774389), (42, 6663762), (49, 5711796), (51, 5487804), (54, 5182926), (61, 4588164), (63, 4442508), (68, 4115853), (81, 3455284), (84, 3331881), (98, 2855898), (102, 2743902), (108, 2591463), (119, 2351916), (122, 2294082), (126, 2221254), (147, 1903932), (153, 1829268), (162, 1727642), (183, 1529388), (189, 1480836), (196, 1427949), (204, 1371951), (238, 1175958), (244, 1147041), (252, 1110627), (289, 968436), (294, 951966), (306, 914634), (324, 863821), (357, 783972), (366, 764694), (378, 740418), (427, 655452), (441, 634644), (459, 609756), (476, 587979), (549, 509796), (567, 493612), (578, 484218), (588, 475983), (612, 457317), (714, 391986), (732, 382347), (756, 370209), (833, 335988), (854, 327726), (867, 322812), (882, 317322), (918, 304878), (1037, 269892), (1071, 261324), (1098, 254898), (1134, 246806), (1156, 242109), (1281, 218484), (1323, 211548), (1377, 203252), (1428, 195993), (1647, 169932), (1666, 167994), (1708, 163863), (1734, 161406), (1764, 158661), (1836, 152439), (2023, 138348), (2074, 134946), (2142, 130662), (2196, 127449), (2268, 123403), (2499, 111996), (2562, 109242), (2601, 107604), (2646, 105774), (2754, 101626), (2989, 93636), (3111, 89964), (3213, 87108), (3294, 84966), (3332, 83997), (3468, 80703), (3843, 72828), (3969, 70516), (4046, 69174), (4148, 67473), (4284, 65331), (4941, 56644), (4998, 55998), (5124, 54621), (5202, 53802), (5292, 52887), (5508, 50813), (5978, 46818), (6069, 46116), (6222, 44982), (6426, 43554), (6588, 42483), (7259, 38556), (7497, 37332), (7686, 36414), (7803, 35868), (7938, 35258), (8092, 34587), (8967, 31212), (9333, 29988), (9639, 29036), (9882, 28322), (9996, 27999), (10404, 26901), (11529, 24276), (11956, 23409), (12138, 23058), (12444, 22491), (12852, 21777), (14161, 19764), (14518, 19278), (14994, 18666), (15372, 18207), (15606, 17934), (15876, 17629)]