320542560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17123}}^1$

素因数の和:17157

約数の個数: 144

約数和(自身を含む): 1178062704

約数和(自身を除く): 857520144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 17123, 18720, 34246, 51369, 68492, 85615, 102738, 136984, 154107, 171230, 205476, 222599, 256845, 273968, 308214, 342460, 410952, 445198, 513690, 547936, 616428, 667797, 684920, 770535, 821904, 890396, 1027380, 1112995, 1232856, 1335594, 1369840, 1541070, 1643808, 1780792, 2003391, 2054760, 2225990, 2465712, 2671188, 2739680, 3082140, 3338985, 3561584, 4006782, 4109520, 4451980, 4931424, 5342376, 6164280, 6677970, 7123168, 8013564, 8219040, 8903960, 10016955, 10684752, 12328560, 13355940, 16027128, 17807920, 20033910, 21369504, 24657120, 26711880, 32054256, 35615840, 40067820, 53423760, 64108512, 80135640, 106847520, 160271280, 320542560]

約数ペア:

[(1, 320542560), (2, 160271280), (3, 106847520), (4, 80135640), (5, 64108512), (6, 53423760), (8, 40067820), (9, 35615840), (10, 32054256), (12, 26711880), (13, 24657120), (15, 21369504), (16, 20033910), (18, 17807920), (20, 16027128), (24, 13355940), (26, 12328560), (30, 10684752), (32, 10016955), (36, 8903960), (39, 8219040), (40, 8013564), (45, 7123168), (48, 6677970), (52, 6164280), (60, 5342376), (65, 4931424), (72, 4451980), (78, 4109520), (80, 4006782), (90, 3561584), (96, 3338985), (104, 3082140), (117, 2739680), (120, 2671188), (130, 2465712), (144, 2225990), (156, 2054760), (160, 2003391), (180, 1780792), (195, 1643808), (208, 1541070), (234, 1369840), (240, 1335594), (260, 1232856), (288, 1112995), (312, 1027380), (360, 890396), (390, 821904), (416, 770535), (468, 684920), (480, 667797), (520, 616428), (585, 547936), (624, 513690), (720, 445198), (780, 410952), (936, 342460), (1040, 308214), (1170, 273968), (1248, 256845), (1440, 222599), (1560, 205476), (1872, 171230), (2080, 154107), (2340, 136984), (3120, 102738), (3744, 85615), (4680, 68492), (6240, 51369), (9360, 34246), (17123, 18720)]