280268520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 256

約数和(自身を含む): 1017446400

約数和(自身を除く): 737177880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 47, 56, 60, 62, 70, 84, 93, 94, 105, 120, 124, 140, 141, 155, 168, 186, 188, 210, 217, 229, 235, 248, 280, 282, 310, 329, 372, 376, 420, 434, 458, 465, 470, 564, 620, 651, 658, 687, 705, 744, 840, 868, 916, 930, 940, 987, 1085, 1128, 1145, 1240, 1302, 1316, 1374, 1410, 1457, 1603, 1645, 1736, 1832, 1860, 1880, 1974, 2170, 2290, 2604, 2632, 2748, 2820, 2914, 3206, 3255, 3290, 3435, 3720, 3948, 4340, 4371, 4580, 4809, 4935, 5208, 5496, 5640, 5828, 6412, 6510, 6580, 6870, 7099, 7285, 7896, 8015, 8680, 8742, 9160, 9618, 9870, 10199, 10763, 11656, 12824, 13020, 13160, 13740, 14198, 14570, 16030, 17484, 19236, 19740, 20398, 21297, 21526, 21855, 24045, 26040, 27480, 28396, 29140, 30597, 32060, 32289, 34968, 35495, 38472, 39480, 40796, 42594, 43052, 43710, 48090, 49693, 50995, 53815, 56792, 58280, 61194, 64120, 64578, 70990, 75341, 81592, 85188, 86104, 87420, 96180, 99386, 101990, 106485, 107630, 122388, 129156, 141980, 149079, 150682, 152985, 161445, 170376, 174840, 192360, 198772, 203980, 212970, 215260, 226023, 244776, 248465, 258312, 283960, 298158, 301364, 305970, 322890, 333653, 376705, 397544, 407960, 425940, 430520, 452046, 496930, 596316, 602728, 611940, 645780, 667306, 745395, 753410, 851880, 904092, 993860, 1000959, 1130115, 1192632, 1223880, 1291560, 1334612, 1490790, 1506820, 1668265, 1808184, 1987720, 2001918, 2260230, 2335571, 2669224, 2981580, 3013640, 3336530, 4003836, 4520460, 4671142, 5004795, 5963160, 6673060, 7006713, 8007672, 9040920, 9342284, 10009590, 11677855, 13346120, 14013426, 18684568, 20019180, 23355710, 28026852, 35033565, 40038360, 46711420, 56053704, 70067130, 93422840, 140134260, 280268520]

約数ペア:

[(1, 280268520), (2, 140134260), (3, 93422840), (4, 70067130), (5, 56053704), (6, 46711420), (7, 40038360), (8, 35033565), (10, 28026852), (12, 23355710), (14, 20019180), (15, 18684568), (20, 14013426), (21, 13346120), (24, 11677855), (28, 10009590), (30, 9342284), (31, 9040920), (35, 8007672), (40, 7006713), (42, 6673060), (47, 5963160), (56, 5004795), (60, 4671142), (62, 4520460), (70, 4003836), (84, 3336530), (93, 3013640), (94, 2981580), (105, 2669224), (120, 2335571), (124, 2260230), (140, 2001918), (141, 1987720), (155, 1808184), (168, 1668265), (186, 1506820), (188, 1490790), (210, 1334612), (217, 1291560), (229, 1223880), (235, 1192632), (248, 1130115), (280, 1000959), (282, 993860), (310, 904092), (329, 851880), (372, 753410), (376, 745395), (420, 667306), (434, 645780), (458, 611940), (465, 602728), (470, 596316), (564, 496930), (620, 452046), (651, 430520), (658, 425940), (687, 407960), (705, 397544), (744, 376705), (840, 333653), (868, 322890), (916, 305970), (930, 301364), (940, 298158), (987, 283960), (1085, 258312), (1128, 248465), (1145, 244776), (1240, 226023), (1302, 215260), (1316, 212970), (1374, 203980), (1410, 198772), (1457, 192360), (1603, 174840), (1645, 170376), (1736, 161445), (1832, 152985), (1860, 150682), (1880, 149079), (1974, 141980), (2170, 129156), (2290, 122388), (2604, 107630), (2632, 106485), (2748, 101990), (2820, 99386), (2914, 96180), (3206, 87420), (3255, 86104), (3290, 85188), (3435, 81592), (3720, 75341), (3948, 70990), (4340, 64578), (4371, 64120), (4580, 61194), (4809, 58280), (4935, 56792), (5208, 53815), (5496, 50995), (5640, 49693), (5828, 48090), (6412, 43710), (6510, 43052), (6580, 42594), (6870, 40796), (7099, 39480), (7285, 38472), (7896, 35495), (8015, 34968), (8680, 32289), (8742, 32060), (9160, 30597), (9618, 29140), (9870, 28396), (10199, 27480), (10763, 26040), (11656, 24045), (12824, 21855), (13020, 21526), (13160, 21297), (13740, 20398), (14198, 19740), (14570, 19236), (16030, 17484)]