72980880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43441}}^1$

素因数の和:43464

約数の個数: 80

約数和(自身を含む): 258566784

約数和(自身を除く): 185585904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43441, 86882, 130323, 173764, 217205, 260646, 304087, 347528, 434410, 521292, 608174, 651615, 695056, 868820, 912261, 1042584, 1216348, 1303230, 1520435, 1737640, 1824522, 2085168, 2432696, 2606460, 3040870, 3475280, 3649044, 4561305, 4865392, 5212920, 6081740, 7298088, 9122610, 10425840, 12163480, 14596176, 18245220, 24326960, 36490440, 72980880]

約数ペア:

[(1, 72980880), (2, 36490440), (3, 24326960), (4, 18245220), (5, 14596176), (6, 12163480), (7, 10425840), (8, 9122610), (10, 7298088), (12, 6081740), (14, 5212920), (15, 4865392), (16, 4561305), (20, 3649044), (21, 3475280), (24, 3040870), (28, 2606460), (30, 2432696), (35, 2085168), (40, 1824522), (42, 1737640), (48, 1520435), (56, 1303230), (60, 1216348), (70, 1042584), (80, 912261), (84, 868820), (105, 695056), (112, 651615), (120, 608174), (140, 521292), (168, 434410), (210, 347528), (240, 304087), (280, 260646), (336, 217205), (420, 173764), (560, 130323), (840, 86882), (1680, 43441)]