28684260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 98313600

約数和(自身を除く): 69629340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 439, 484, 495, 540, 594, 605, 660, 726, 878, 990, 1089, 1188, 1210, 1317, 1452, 1485, 1756, 1815, 1980, 2178, 2195, 2420, 2634, 2970, 3267, 3630, 3951, 4356, 4390, 4829, 5268, 5445, 5940, 6534, 6585, 7260, 7902, 8780, 9658, 10890, 11853, 13068, 13170, 14487, 15804, 16335, 19316, 19755, 21780, 23706, 24145, 26340, 28974, 32670, 39510, 43461, 47412, 48290, 53119, 57948, 59265, 65340, 72435, 79020, 86922, 96580, 106238, 118530, 130383, 144870, 159357, 173844, 212476, 217305, 237060, 260766, 265595, 289740, 318714, 434610, 478071, 521532, 531190, 637428, 651915, 796785, 869220, 956142, 1062380, 1303830, 1434213, 1593570, 1912284, 2390355, 2607660, 2868426, 3187140, 4780710, 5736852, 7171065, 9561420, 14342130, 28684260]

約数ペア:

[(1, 28684260), (2, 14342130), (3, 9561420), (4, 7171065), (5, 5736852), (6, 4780710), (9, 3187140), (10, 2868426), (11, 2607660), (12, 2390355), (15, 1912284), (18, 1593570), (20, 1434213), (22, 1303830), (27, 1062380), (30, 956142), (33, 869220), (36, 796785), (44, 651915), (45, 637428), (54, 531190), (55, 521532), (60, 478071), (66, 434610), (90, 318714), (99, 289740), (108, 265595), (110, 260766), (121, 237060), (132, 217305), (135, 212476), (165, 173844), (180, 159357), (198, 144870), (220, 130383), (242, 118530), (270, 106238), (297, 96580), (330, 86922), (363, 79020), (396, 72435), (439, 65340), (484, 59265), (495, 57948), (540, 53119), (594, 48290), (605, 47412), (660, 43461), (726, 39510), (878, 32670), (990, 28974), (1089, 26340), (1188, 24145), (1210, 23706), (1317, 21780), (1452, 19755), (1485, 19316), (1756, 16335), (1815, 15804), (1980, 14487), (2178, 13170), (2195, 13068), (2420, 11853), (2634, 10890), (2970, 9658), (3267, 8780), (3630, 7902), (3951, 7260), (4356, 6585), (4390, 6534), (4829, 5940), (5268, 5445)]