805356640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2501

約数の個数: 144

約数和(自身を含む): 2215273536

約数和(自身を除く): 1409916896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 340, 352, 374, 440, 484, 544, 605, 680, 748, 880, 935, 968, 1210, 1360, 1496, 1760, 1870, 1936, 2057, 2420, 2447, 2720, 2992, 3740, 3872, 4114, 4840, 4894, 5984, 7480, 8228, 9680, 9788, 10285, 12235, 14960, 16456, 19360, 19576, 20570, 24470, 26917, 29920, 32912, 39152, 41140, 41599, 48940, 53834, 65824, 78304, 82280, 83198, 97880, 107668, 134585, 164560, 166396, 195760, 207995, 215336, 269170, 296087, 329120, 332792, 391520, 415990, 430672, 457589, 538340, 592174, 665584, 831980, 861344, 915178, 1076680, 1184348, 1331168, 1480435, 1663960, 1830356, 2153360, 2287945, 2368696, 2960870, 3327920, 3660712, 4306720, 4575890, 4737392, 5033479, 5921740, 6655840, 7321424, 9151780, 9474784, 10066958, 11843480, 14642848, 18303560, 20133916, 23686960, 25167395, 36607120, 40267832, 47373920, 50334790, 73214240, 80535664, 100669580, 161071328, 201339160, 402678320, 805356640]

約数ペア:

[(1, 805356640), (2, 402678320), (4, 201339160), (5, 161071328), (8, 100669580), (10, 80535664), (11, 73214240), (16, 50334790), (17, 47373920), (20, 40267832), (22, 36607120), (32, 25167395), (34, 23686960), (40, 20133916), (44, 18303560), (55, 14642848), (68, 11843480), (80, 10066958), (85, 9474784), (88, 9151780), (110, 7321424), (121, 6655840), (136, 5921740), (160, 5033479), (170, 4737392), (176, 4575890), (187, 4306720), (220, 3660712), (242, 3327920), (272, 2960870), (340, 2368696), (352, 2287945), (374, 2153360), (440, 1830356), (484, 1663960), (544, 1480435), (605, 1331168), (680, 1184348), (748, 1076680), (880, 915178), (935, 861344), (968, 831980), (1210, 665584), (1360, 592174), (1496, 538340), (1760, 457589), (1870, 430672), (1936, 415990), (2057, 391520), (2420, 332792), (2447, 329120), (2720, 296087), (2992, 269170), (3740, 215336), (3872, 207995), (4114, 195760), (4840, 166396), (4894, 164560), (5984, 134585), (7480, 107668), (8228, 97880), (9680, 83198), (9788, 82280), (10285, 78304), (12235, 65824), (14960, 53834), (16456, 48940), (19360, 41599), (19576, 41140), (20570, 39152), (24470, 32912), (26917, 29920)]