51186720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:675

約数の個数: 144

約数和(自身を含む): 174871872

約数和(自身を除く): 123685152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 631, 676, 780, 845, 1014, 1040, 1248, 1262, 1352, 1560, 1690, 1893, 2028, 2080, 2524, 2535, 2704, 3120, 3155, 3380, 3786, 4056, 5048, 5070, 5408, 6240, 6310, 6760, 7572, 8112, 8203, 9465, 10096, 10140, 12620, 13520, 15144, 16224, 16406, 18930, 20192, 20280, 24609, 25240, 27040, 30288, 32812, 37860, 40560, 41015, 49218, 50480, 60576, 65624, 75720, 81120, 82030, 98436, 100960, 106639, 123045, 131248, 151440, 164060, 196872, 213278, 246090, 262496, 302880, 319917, 328120, 393744, 426556, 492180, 533195, 639834, 656240, 787488, 853112, 984360, 1066390, 1279668, 1312480, 1599585, 1706224, 1968720, 2132780, 2559336, 3199170, 3412448, 3937440, 4265560, 5118672, 6398340, 8531120, 10237344, 12796680, 17062240, 25593360, 51186720]

約数ペア:

[(1, 51186720), (2, 25593360), (3, 17062240), (4, 12796680), (5, 10237344), (6, 8531120), (8, 6398340), (10, 5118672), (12, 4265560), (13, 3937440), (15, 3412448), (16, 3199170), (20, 2559336), (24, 2132780), (26, 1968720), (30, 1706224), (32, 1599585), (39, 1312480), (40, 1279668), (48, 1066390), (52, 984360), (60, 853112), (65, 787488), (78, 656240), (80, 639834), (96, 533195), (104, 492180), (120, 426556), (130, 393744), (156, 328120), (160, 319917), (169, 302880), (195, 262496), (208, 246090), (240, 213278), (260, 196872), (312, 164060), (338, 151440), (390, 131248), (416, 123045), (480, 106639), (507, 100960), (520, 98436), (624, 82030), (631, 81120), (676, 75720), (780, 65624), (845, 60576), (1014, 50480), (1040, 49218), (1248, 41015), (1262, 40560), (1352, 37860), (1560, 32812), (1690, 30288), (1893, 27040), (2028, 25240), (2080, 24609), (2524, 20280), (2535, 20192), (2704, 18930), (3120, 16406), (3155, 16224), (3380, 15144), (3786, 13520), (4056, 12620), (5048, 10140), (5070, 10096), (5408, 9465), (6240, 8203), (6310, 8112), (6760, 7572)]