321787480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1793

約数の個数: 128

約数和(自身を含む): 893721600

約数和(自身を除く): 571934120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 92, 115, 116, 140, 145, 161, 184, 203, 230, 232, 280, 290, 322, 406, 460, 580, 644, 667, 805, 812, 920, 1015, 1160, 1288, 1334, 1610, 1624, 1723, 2030, 2668, 3220, 3335, 3446, 4060, 4669, 5336, 6440, 6670, 6892, 8120, 8615, 9338, 12061, 13340, 13784, 17230, 18676, 23345, 24122, 26680, 34460, 37352, 39629, 46690, 48244, 49967, 60305, 68920, 79258, 93380, 96488, 99934, 120610, 158516, 186760, 198145, 199868, 241220, 249835, 277403, 317032, 349769, 396290, 399736, 482440, 499670, 554806, 699538, 792580, 999340, 1109612, 1149241, 1387015, 1399076, 1585160, 1748845, 1998680, 2219224, 2298482, 2774030, 2798152, 3497690, 4596964, 5548060, 5746205, 6995380, 8044687, 9193928, 11096120, 11492410, 13990760, 16089374, 22984820, 32178748, 40223435, 45969640, 64357496, 80446870, 160893740, 321787480]

約数ペア:

[(1, 321787480), (2, 160893740), (4, 80446870), (5, 64357496), (7, 45969640), (8, 40223435), (10, 32178748), (14, 22984820), (20, 16089374), (23, 13990760), (28, 11492410), (29, 11096120), (35, 9193928), (40, 8044687), (46, 6995380), (56, 5746205), (58, 5548060), (70, 4596964), (92, 3497690), (115, 2798152), (116, 2774030), (140, 2298482), (145, 2219224), (161, 1998680), (184, 1748845), (203, 1585160), (230, 1399076), (232, 1387015), (280, 1149241), (290, 1109612), (322, 999340), (406, 792580), (460, 699538), (580, 554806), (644, 499670), (667, 482440), (805, 399736), (812, 396290), (920, 349769), (1015, 317032), (1160, 277403), (1288, 249835), (1334, 241220), (1610, 199868), (1624, 198145), (1723, 186760), (2030, 158516), (2668, 120610), (3220, 99934), (3335, 96488), (3446, 93380), (4060, 79258), (4669, 68920), (5336, 60305), (6440, 49967), (6670, 48244), (6892, 46690), (8120, 39629), (8615, 37352), (9338, 34460), (12061, 26680), (13340, 24122), (13784, 23345), (17230, 18676)]