321411720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12343}}^1$

素因数の和:12395

約数の個数: 128

約数和(自身を含む): 1137623040

約数和(自身を除く): 816211320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 12343, 13020, 24686, 26040, 37029, 49372, 61715, 74058, 86401, 98744, 123430, 148116, 172802, 185145, 246860, 259203, 296232, 345604, 370290, 382633, 432005, 493720, 518406, 691208, 740580, 765266, 864010, 1036812, 1147899, 1296015, 1481160, 1530532, 1728020, 1913165, 2073624, 2295798, 2592030, 2678431, 3061064, 3456040, 3826330, 4591596, 5184060, 5356862, 5739495, 7652660, 8035293, 9183192, 10368120, 10713724, 11478990, 13392155, 15305320, 16070586, 21427448, 22957980, 26784310, 32141172, 40176465, 45915960, 53568620, 64282344, 80352930, 107137240, 160705860, 321411720]

約数ペア:

[(1, 321411720), (2, 160705860), (3, 107137240), (4, 80352930), (5, 64282344), (6, 53568620), (7, 45915960), (8, 40176465), (10, 32141172), (12, 26784310), (14, 22957980), (15, 21427448), (20, 16070586), (21, 15305320), (24, 13392155), (28, 11478990), (30, 10713724), (31, 10368120), (35, 9183192), (40, 8035293), (42, 7652660), (56, 5739495), (60, 5356862), (62, 5184060), (70, 4591596), (84, 3826330), (93, 3456040), (105, 3061064), (120, 2678431), (124, 2592030), (140, 2295798), (155, 2073624), (168, 1913165), (186, 1728020), (210, 1530532), (217, 1481160), (248, 1296015), (280, 1147899), (310, 1036812), (372, 864010), (420, 765266), (434, 740580), (465, 691208), (620, 518406), (651, 493720), (744, 432005), (840, 382633), (868, 370290), (930, 345604), (1085, 296232), (1240, 259203), (1302, 246860), (1736, 185145), (1860, 172802), (2170, 148116), (2604, 123430), (3255, 98744), (3720, 86401), (4340, 74058), (5208, 61715), (6510, 49372), (8680, 37029), (12343, 26040), (13020, 24686)]