81909936

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 241413120

約数和(自身を除く): 159503184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 59, 62, 72, 93, 118, 124, 144, 177, 186, 236, 248, 279, 311, 354, 372, 472, 496, 531, 558, 622, 708, 744, 933, 944, 1062, 1116, 1244, 1416, 1488, 1829, 1866, 2124, 2232, 2488, 2799, 2832, 3658, 3732, 4248, 4464, 4976, 5487, 5598, 7316, 7464, 8496, 9641, 10974, 11196, 14632, 14928, 16461, 18349, 19282, 21948, 22392, 28923, 29264, 32922, 36698, 38564, 43896, 44784, 55047, 57846, 65844, 73396, 77128, 86769, 87792, 110094, 115692, 131688, 146792, 154256, 165141, 173538, 220188, 231384, 263376, 293584, 330282, 347076, 440376, 462768, 568819, 660564, 694152, 880752, 1137638, 1321128, 1388304, 1706457, 2275276, 2642256, 3412914, 4550552, 5119371, 6825828, 9101104, 10238742, 13651656, 20477484, 27303312, 40954968, 81909936]

約数ペア:

[(1, 81909936), (2, 40954968), (3, 27303312), (4, 20477484), (6, 13651656), (8, 10238742), (9, 9101104), (12, 6825828), (16, 5119371), (18, 4550552), (24, 3412914), (31, 2642256), (36, 2275276), (48, 1706457), (59, 1388304), (62, 1321128), (72, 1137638), (93, 880752), (118, 694152), (124, 660564), (144, 568819), (177, 462768), (186, 440376), (236, 347076), (248, 330282), (279, 293584), (311, 263376), (354, 231384), (372, 220188), (472, 173538), (496, 165141), (531, 154256), (558, 146792), (622, 131688), (708, 115692), (744, 110094), (933, 87792), (944, 86769), (1062, 77128), (1116, 73396), (1244, 65844), (1416, 57846), (1488, 55047), (1829, 44784), (1866, 43896), (2124, 38564), (2232, 36698), (2488, 32922), (2799, 29264), (2832, 28923), (3658, 22392), (3732, 21948), (4248, 19282), (4464, 18349), (4976, 16461), (5487, 14928), (5598, 14632), (7316, 11196), (7464, 10974), (8496, 9641)]