267502720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 671731200

約数和(自身を除く): 404228480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 128, 139, 155, 160, 194, 248, 278, 310, 320, 388, 485, 496, 556, 620, 640, 695, 776, 970, 992, 1112, 1240, 1390, 1552, 1940, 1984, 2224, 2480, 2780, 3007, 3104, 3880, 3968, 4309, 4448, 4960, 5560, 6014, 6208, 7760, 8618, 8896, 9920, 11120, 12028, 12416, 13483, 15035, 15520, 17236, 17792, 19840, 21545, 22240, 24056, 26966, 30070, 31040, 34472, 43090, 44480, 48112, 53932, 60140, 62080, 67415, 68944, 86180, 88960, 96224, 107864, 120280, 134830, 137888, 172360, 192448, 215728, 240560, 269660, 275776, 344720, 384896, 417973, 431456, 481120, 539320, 551552, 689440, 835946, 862912, 962240, 1078640, 1378880, 1671892, 1725824, 1924480, 2089865, 2157280, 2757760, 3343784, 4179730, 4314560, 6687568, 8359460, 8629120, 13375136, 16718920, 26750272, 33437840, 53500544, 66875680, 133751360, 267502720]

約数ペア:

[(1, 267502720), (2, 133751360), (4, 66875680), (5, 53500544), (8, 33437840), (10, 26750272), (16, 16718920), (20, 13375136), (31, 8629120), (32, 8359460), (40, 6687568), (62, 4314560), (64, 4179730), (80, 3343784), (97, 2757760), (124, 2157280), (128, 2089865), (139, 1924480), (155, 1725824), (160, 1671892), (194, 1378880), (248, 1078640), (278, 962240), (310, 862912), (320, 835946), (388, 689440), (485, 551552), (496, 539320), (556, 481120), (620, 431456), (640, 417973), (695, 384896), (776, 344720), (970, 275776), (992, 269660), (1112, 240560), (1240, 215728), (1390, 192448), (1552, 172360), (1940, 137888), (1984, 134830), (2224, 120280), (2480, 107864), (2780, 96224), (3007, 88960), (3104, 86180), (3880, 68944), (3968, 67415), (4309, 62080), (4448, 60140), (4960, 53932), (5560, 48112), (6014, 44480), (6208, 43090), (7760, 34472), (8618, 31040), (8896, 30070), (9920, 26966), (11120, 24056), (12028, 22240), (12416, 21545), (13483, 19840), (15035, 17792), (15520, 17236)]