1721877888

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 256

約数和(自身を含む): 5201510400

約数和(自身を除く): 3479632512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 31, 32, 38, 46, 48, 57, 62, 64, 69, 76, 92, 93, 96, 114, 124, 128, 138, 152, 184, 186, 192, 228, 248, 276, 304, 331, 368, 372, 384, 437, 456, 496, 552, 589, 608, 662, 713, 736, 744, 874, 912, 992, 993, 1104, 1178, 1216, 1311, 1324, 1426, 1472, 1488, 1748, 1767, 1824, 1984, 1986, 2139, 2208, 2356, 2432, 2622, 2648, 2852, 2944, 2976, 3496, 3534, 3648, 3968, 3972, 4278, 4416, 4712, 5244, 5296, 5704, 5952, 6289, 6992, 7068, 7296, 7613, 7944, 8556, 8832, 9424, 10261, 10488, 10592, 11408, 11904, 12578, 13547, 13984, 14136, 15226, 15888, 17112, 18848, 18867, 20522, 20976, 21184, 22816, 22839, 25156, 27094, 27968, 28272, 30452, 30783, 31776, 34224, 37696, 37734, 40641, 41044, 41952, 42368, 45632, 45678, 50312, 54188, 55936, 56544, 60904, 61566, 63552, 68448, 75392, 75468, 81282, 82088, 83904, 91264, 91356, 100624, 108376, 113088, 121808, 123132, 127104, 136896, 144647, 150936, 162564, 164176, 167808, 182712, 194959, 201248, 216752, 226176, 236003, 243616, 246264, 273792, 289294, 301872, 325128, 328352, 365424, 389918, 402496, 433504, 433941, 472006, 487232, 492528, 578588, 584877, 603744, 650256, 656704, 708009, 730848, 779836, 804992, 867008, 867882, 944012, 974464, 985056, 1157176, 1169754, 1207488, 1300512, 1313408, 1416018, 1461696, 1559672, 1734016, 1735764, 1888024, 1970112, 2314352, 2339508, 2414976, 2601024, 2832036, 2923392, 3119344, 3471528, 3776048, 3940224, 4484057, 4628704, 4679016, 5202048, 5664072, 6238688, 6943056, 7552096, 8968114, 9257408, 9358032, 11328144, 12477376, 13452171, 13886112, 15104192, 17936228, 18514816, 18716064, 22656288, 24954752, 26904342, 27772224, 30208384, 35872456, 37432128, 45312576, 53808684, 55544448, 71744912, 74864256, 90625152, 107617368, 143489824, 215234736, 286979648, 430469472, 573959296, 860938944, 1721877888]

約数ペア:

[(1, 1721877888), (2, 860938944), (3, 573959296), (4, 430469472), (6, 286979648), (8, 215234736), (12, 143489824), (16, 107617368), (19, 90625152), (23, 74864256), (24, 71744912), (31, 55544448), (32, 53808684), (38, 45312576), (46, 37432128), (48, 35872456), (57, 30208384), (62, 27772224), (64, 26904342), (69, 24954752), (76, 22656288), (92, 18716064), (93, 18514816), (96, 17936228), (114, 15104192), (124, 13886112), (128, 13452171), (138, 12477376), (152, 11328144), (184, 9358032), (186, 9257408), (192, 8968114), (228, 7552096), (248, 6943056), (276, 6238688), (304, 5664072), (331, 5202048), (368, 4679016), (372, 4628704), (384, 4484057), (437, 3940224), (456, 3776048), (496, 3471528), (552, 3119344), (589, 2923392), (608, 2832036), (662, 2601024), (713, 2414976), (736, 2339508), (744, 2314352), (874, 1970112), (912, 1888024), (992, 1735764), (993, 1734016), (1104, 1559672), (1178, 1461696), (1216, 1416018), (1311, 1313408), (1324, 1300512), (1426, 1207488), (1472, 1169754), (1488, 1157176), (1748, 985056), (1767, 974464), (1824, 944012), (1984, 867882), (1986, 867008), (2139, 804992), (2208, 779836), (2356, 730848), (2432, 708009), (2622, 656704), (2648, 650256), (2852, 603744), (2944, 584877), (2976, 578588), (3496, 492528), (3534, 487232), (3648, 472006), (3968, 433941), (3972, 433504), (4278, 402496), (4416, 389918), (4712, 365424), (5244, 328352), (5296, 325128), (5704, 301872), (5952, 289294), (6289, 273792), (6992, 246264), (7068, 243616), (7296, 236003), (7613, 226176), (7944, 216752), (8556, 201248), (8832, 194959), (9424, 182712), (10261, 167808), (10488, 164176), (10592, 162564), (11408, 150936), (11904, 144647), (12578, 136896), (13547, 127104), (13984, 123132), (14136, 121808), (15226, 113088), (15888, 108376), (17112, 100624), (18848, 91356), (18867, 91264), (20522, 83904), (20976, 82088), (21184, 81282), (22816, 75468), (22839, 75392), (25156, 68448), (27094, 63552), (27968, 61566), (28272, 60904), (30452, 56544), (30783, 55936), (31776, 54188), (34224, 50312), (37696, 45678), (37734, 45632), (40641, 42368), (41044, 41952)]