80971884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 254270016

約数和(自身を除く): 173298132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 41, 42, 51, 63, 68, 82, 84, 102, 119, 123, 126, 153, 164, 204, 238, 246, 252, 287, 306, 357, 369, 461, 476, 492, 574, 612, 697, 714, 738, 861, 922, 1071, 1148, 1383, 1394, 1428, 1476, 1722, 1844, 2091, 2142, 2583, 2766, 2788, 3227, 3444, 4149, 4182, 4284, 4879, 5166, 5532, 6273, 6454, 7837, 8298, 8364, 9681, 9758, 10332, 12546, 12908, 14637, 15674, 16596, 18901, 19362, 19516, 23511, 25092, 29043, 29274, 31348, 37802, 38724, 43911, 47022, 54859, 56703, 58086, 58548, 70533, 75604, 87822, 94044, 109718, 113406, 116172, 132307, 141066, 164577, 170109, 175644, 219436, 226812, 264614, 282132, 321317, 329154, 340218, 396921, 493731, 529228, 642634, 658308, 680436, 793842, 963951, 987462, 1190763, 1285268, 1587684, 1927902, 1974924, 2249219, 2381526, 2891853, 3855804, 4498438, 4763052, 5783706, 6747657, 8996876, 11567412, 13495314, 20242971, 26990628, 40485942, 80971884]

約数ペア:

[(1, 80971884), (2, 40485942), (3, 26990628), (4, 20242971), (6, 13495314), (7, 11567412), (9, 8996876), (12, 6747657), (14, 5783706), (17, 4763052), (18, 4498438), (21, 3855804), (28, 2891853), (34, 2381526), (36, 2249219), (41, 1974924), (42, 1927902), (51, 1587684), (63, 1285268), (68, 1190763), (82, 987462), (84, 963951), (102, 793842), (119, 680436), (123, 658308), (126, 642634), (153, 529228), (164, 493731), (204, 396921), (238, 340218), (246, 329154), (252, 321317), (287, 282132), (306, 264614), (357, 226812), (369, 219436), (461, 175644), (476, 170109), (492, 164577), (574, 141066), (612, 132307), (697, 116172), (714, 113406), (738, 109718), (861, 94044), (922, 87822), (1071, 75604), (1148, 70533), (1383, 58548), (1394, 58086), (1428, 56703), (1476, 54859), (1722, 47022), (1844, 43911), (2091, 38724), (2142, 37802), (2583, 31348), (2766, 29274), (2788, 29043), (3227, 25092), (3444, 23511), (4149, 19516), (4182, 19362), (4284, 18901), (4879, 16596), (5166, 15674), (5532, 14637), (6273, 12908), (6454, 12546), (7837, 10332), (8298, 9758), (8364, 9681)]