640612393920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{74144953}}^1$

素因数の和:74144979

約数の個数: 112

約数和(自身を含む): 2259938197920

約数和(自身を除く): 1619325804000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 74144953, 148289906, 222434859, 296579812, 370724765, 444869718, 593159624, 667304577, 741449530, 889739436, 1112174295, 1186319248, 1334609154, 1482899060, 1779478872, 2001913731, 2224348590, 2372638496, 2669218308, 2965798120, 3336522885, 3558957744, 4003827462, 4448697180, 4745276992, 5338436616, 5931596240, 6673045770, 7117915488, 8007654924, 8897394360, 10009568655, 10676873232, 11863192480, 13346091540, 14235830976, 16015309848, 17794788720, 20019137310, 21353746464, 23726384960, 26692183080, 32030619696, 35589577440, 40038274620, 42707492928, 53384366160, 64061239392, 71179154880, 80076549240, 106768732320, 128122478784, 160153098480, 213537464640, 320306196960, 640612393920]

約数ペア:

[(1, 640612393920), (2, 320306196960), (3, 213537464640), (4, 160153098480), (5, 128122478784), (6, 106768732320), (8, 80076549240), (9, 71179154880), (10, 64061239392), (12, 53384366160), (15, 42707492928), (16, 40038274620), (18, 35589577440), (20, 32030619696), (24, 26692183080), (27, 23726384960), (30, 21353746464), (32, 20019137310), (36, 17794788720), (40, 16015309848), (45, 14235830976), (48, 13346091540), (54, 11863192480), (60, 10676873232), (64, 10009568655), (72, 8897394360), (80, 8007654924), (90, 7117915488), (96, 6673045770), (108, 5931596240), (120, 5338436616), (135, 4745276992), (144, 4448697180), (160, 4003827462), (180, 3558957744), (192, 3336522885), (216, 2965798120), (240, 2669218308), (270, 2372638496), (288, 2224348590), (320, 2001913731), (360, 1779478872), (432, 1482899060), (480, 1334609154), (540, 1186319248), (576, 1112174295), (720, 889739436), (864, 741449530), (960, 667304577), (1080, 593159624), (1440, 444869718), (1728, 370724765), (2160, 296579812), (2880, 222434859), (4320, 148289906), (8640, 74144953)]