318991680

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{15823}}^1$

素因数の和:15853

約数の個数: 168

約数和(自身を含む): 1254020352

約数和(自身を除く): 935028672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 15823, 20160, 31646, 47469, 63292, 79115, 94938, 110761, 126584, 142407, 158230, 189876, 221522, 237345, 253168, 284814, 316460, 332283, 379752, 443044, 474690, 506336, 553805, 569628, 632920, 664566, 712035, 759504, 886088, 949380, 996849, 1012672, 1107610, 1139256, 1265840, 1329132, 1424070, 1519008, 1661415, 1772176, 1898760, 1993698, 2215220, 2278512, 2531680, 2658264, 2848140, 3038016, 3322830, 3544352, 3797520, 3987396, 4430440, 4557024, 4984245, 5063360, 5316528, 5696280, 6645660, 7088704, 7595040, 7974792, 8860880, 9114048, 9968490, 10633056, 11392560, 13291320, 15190080, 15949584, 17721760, 19936980, 21266112, 22785120, 26582640, 31899168, 35443520, 39873960, 45570240, 53165280, 63798336, 79747920, 106330560, 159495840, 318991680]

約数ペア:

[(1, 318991680), (2, 159495840), (3, 106330560), (4, 79747920), (5, 63798336), (6, 53165280), (7, 45570240), (8, 39873960), (9, 35443520), (10, 31899168), (12, 26582640), (14, 22785120), (15, 21266112), (16, 19936980), (18, 17721760), (20, 15949584), (21, 15190080), (24, 13291320), (28, 11392560), (30, 10633056), (32, 9968490), (35, 9114048), (36, 8860880), (40, 7974792), (42, 7595040), (45, 7088704), (48, 6645660), (56, 5696280), (60, 5316528), (63, 5063360), (64, 4984245), (70, 4557024), (72, 4430440), (80, 3987396), (84, 3797520), (90, 3544352), (96, 3322830), (105, 3038016), (112, 2848140), (120, 2658264), (126, 2531680), (140, 2278512), (144, 2215220), (160, 1993698), (168, 1898760), (180, 1772176), (192, 1661415), (210, 1519008), (224, 1424070), (240, 1329132), (252, 1265840), (280, 1139256), (288, 1107610), (315, 1012672), (320, 996849), (336, 949380), (360, 886088), (420, 759504), (448, 712035), (480, 664566), (504, 632920), (560, 569628), (576, 553805), (630, 506336), (672, 474690), (720, 443044), (840, 379752), (960, 332283), (1008, 316460), (1120, 284814), (1260, 253168), (1344, 237345), (1440, 221522), (1680, 189876), (2016, 158230), (2240, 142407), (2520, 126584), (2880, 110761), (3360, 94938), (4032, 79115), (5040, 63292), (6720, 47469), (10080, 31646), (15823, 20160)]