320022560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 905313024

約数和(自身を除く): 585290464

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 71, 80, 88, 104, 110, 130, 142, 143, 160, 176, 197, 208, 220, 260, 284, 286, 352, 355, 394, 416, 440, 520, 568, 572, 710, 715, 781, 788, 880, 923, 985, 1040, 1136, 1144, 1420, 1430, 1562, 1576, 1760, 1846, 1970, 2080, 2167, 2272, 2288, 2561, 2840, 2860, 3124, 3152, 3692, 3905, 3940, 4334, 4576, 4615, 5122, 5680, 5720, 6248, 6304, 7384, 7810, 7880, 8668, 9230, 10153, 10244, 10835, 11360, 11440, 12496, 12805, 13987, 14768, 15620, 15760, 17336, 18460, 20306, 20488, 21670, 22880, 24992, 25610, 27974, 28171, 29536, 31240, 31520, 34672, 36920, 40612, 40976, 43340, 50765, 51220, 55948, 56342, 62480, 69344, 69935, 73840, 81224, 81952, 86680, 101530, 102440, 111896, 112684, 124960, 139870, 140855, 147680, 153857, 162448, 173360, 181831, 203060, 204880, 223792, 225368, 279740, 281710, 307714, 324896, 346720, 363662, 406120, 409760, 447584, 450736, 559480, 563420, 615428, 727324, 769285, 812240, 901472, 909155, 1118960, 1126840, 1230856, 1454648, 1538570, 1624480, 1818310, 2000141, 2237920, 2253680, 2461712, 2909296, 3077140, 3636620, 4000282, 4507360, 4923424, 5818592, 6154280, 7273240, 8000564, 10000705, 12308560, 14546480, 16001128, 20001410, 24617120, 29092960, 32002256, 40002820, 64004512, 80005640, 160011280, 320022560]

約数ペア:

[(1, 320022560), (2, 160011280), (4, 80005640), (5, 64004512), (8, 40002820), (10, 32002256), (11, 29092960), (13, 24617120), (16, 20001410), (20, 16001128), (22, 14546480), (26, 12308560), (32, 10000705), (40, 8000564), (44, 7273240), (52, 6154280), (55, 5818592), (65, 4923424), (71, 4507360), (80, 4000282), (88, 3636620), (104, 3077140), (110, 2909296), (130, 2461712), (142, 2253680), (143, 2237920), (160, 2000141), (176, 1818310), (197, 1624480), (208, 1538570), (220, 1454648), (260, 1230856), (284, 1126840), (286, 1118960), (352, 909155), (355, 901472), (394, 812240), (416, 769285), (440, 727324), (520, 615428), (568, 563420), (572, 559480), (710, 450736), (715, 447584), (781, 409760), (788, 406120), (880, 363662), (923, 346720), (985, 324896), (1040, 307714), (1136, 281710), (1144, 279740), (1420, 225368), (1430, 223792), (1562, 204880), (1576, 203060), (1760, 181831), (1846, 173360), (1970, 162448), (2080, 153857), (2167, 147680), (2272, 140855), (2288, 139870), (2561, 124960), (2840, 112684), (2860, 111896), (3124, 102440), (3152, 101530), (3692, 86680), (3905, 81952), (3940, 81224), (4334, 73840), (4576, 69935), (4615, 69344), (5122, 62480), (5680, 56342), (5720, 55948), (6248, 51220), (6304, 50765), (7384, 43340), (7810, 40976), (7880, 40612), (8668, 36920), (9230, 34672), (10153, 31520), (10244, 31240), (10835, 29536), (11360, 28171), (11440, 27974), (12496, 25610), (12805, 24992), (13987, 22880), (14768, 21670), (15620, 20488), (15760, 20306), (17336, 18460)]