2789874560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2851}}^1$

素因数の和:3020

約数の個数: 128

約数和(自身を含む): 7330780800

約数和(自身を除く): 4540906240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 139, 160, 176, 220, 278, 320, 352, 440, 556, 640, 695, 704, 880, 1112, 1390, 1408, 1529, 1760, 2224, 2780, 2851, 3058, 3520, 4448, 5560, 5702, 6116, 7040, 7645, 8896, 11120, 11404, 12232, 14255, 15290, 17792, 22240, 22808, 24464, 28510, 30580, 31361, 44480, 45616, 48928, 57020, 61160, 62722, 88960, 91232, 97856, 114040, 122320, 125444, 156805, 182464, 195712, 228080, 244640, 250888, 313610, 364928, 396289, 456160, 489280, 501776, 627220, 792578, 912320, 978560, 1003552, 1254440, 1585156, 1824640, 1981445, 2007104, 2508880, 3170312, 3962890, 4014208, 4359179, 5017760, 6340624, 7925780, 8718358, 10035520, 12681248, 15851560, 17436716, 20071040, 21795895, 25362496, 31703120, 34873432, 43591790, 50724992, 63406240, 69746864, 87183580, 126812480, 139493728, 174367160, 253624960, 278987456, 348734320, 557974912, 697468640, 1394937280, 2789874560]

約数ペア:

[(1, 2789874560), (2, 1394937280), (4, 697468640), (5, 557974912), (8, 348734320), (10, 278987456), (11, 253624960), (16, 174367160), (20, 139493728), (22, 126812480), (32, 87183580), (40, 69746864), (44, 63406240), (55, 50724992), (64, 43591790), (80, 34873432), (88, 31703120), (110, 25362496), (128, 21795895), (139, 20071040), (160, 17436716), (176, 15851560), (220, 12681248), (278, 10035520), (320, 8718358), (352, 7925780), (440, 6340624), (556, 5017760), (640, 4359179), (695, 4014208), (704, 3962890), (880, 3170312), (1112, 2508880), (1390, 2007104), (1408, 1981445), (1529, 1824640), (1760, 1585156), (2224, 1254440), (2780, 1003552), (2851, 978560), (3058, 912320), (3520, 792578), (4448, 627220), (5560, 501776), (5702, 489280), (6116, 456160), (7040, 396289), (7645, 364928), (8896, 313610), (11120, 250888), (11404, 244640), (12232, 228080), (14255, 195712), (15290, 182464), (17792, 156805), (22240, 125444), (22808, 122320), (24464, 114040), (28510, 97856), (30580, 91232), (31361, 88960), (44480, 62722), (45616, 61160), (48928, 57020)]