1289570240

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 224

約数和(自身を含む): 3706368000

約数和(自身を除く): 2416797760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 343, 379, 392, 434, 448, 490, 496, 560, 620, 686, 758, 784, 868, 980, 992, 1085, 1120, 1240, 1372, 1516, 1519, 1568, 1715, 1736, 1895, 1960, 1984, 2170, 2240, 2480, 2653, 2744, 3032, 3038, 3136, 3430, 3472, 3790, 3920, 4340, 4960, 5306, 5488, 6064, 6076, 6860, 6944, 7580, 7595, 7840, 8680, 9920, 10612, 10633, 10976, 11749, 12128, 12152, 13265, 13720, 13888, 15160, 15190, 15680, 17360, 18571, 21224, 21266, 21952, 23498, 24256, 24304, 26530, 27440, 30320, 30380, 34720, 37142, 42448, 42532, 46996, 48608, 53060, 53165, 54880, 58745, 60640, 60760, 69440, 74284, 82243, 84896, 85064, 92855, 93992, 97216, 106120, 106330, 109760, 117490, 121280, 121520, 129997, 148568, 164486, 169792, 170128, 185710, 187984, 212240, 212660, 234980, 243040, 259994, 297136, 328972, 340256, 371420, 375968, 411215, 424480, 425320, 469960, 486080, 519988, 575701, 594272, 649985, 657944, 680512, 742840, 751936, 822430, 848960, 850640, 939920, 1039976, 1151402, 1188544, 1299970, 1315888, 1485680, 1644860, 1701280, 1879840, 2079952, 2302804, 2599940, 2631776, 2878505, 2971360, 3289720, 3402560, 3759680, 4029907, 4159904, 4605608, 5199880, 5263552, 5757010, 5942720, 6579440, 8059814, 8319808, 9211216, 10399760, 11514020, 13158880, 16119628, 18422432, 20149535, 20799520, 23028040, 26317760, 32239256, 36844864, 40299070, 41599040, 46056080, 64478512, 80598140, 92112160, 128957024, 161196280, 184224320, 257914048, 322392560, 644785120, 1289570240]

約数ペア:

[(1, 1289570240), (2, 644785120), (4, 322392560), (5, 257914048), (7, 184224320), (8, 161196280), (10, 128957024), (14, 92112160), (16, 80598140), (20, 64478512), (28, 46056080), (31, 41599040), (32, 40299070), (35, 36844864), (40, 32239256), (49, 26317760), (56, 23028040), (62, 20799520), (64, 20149535), (70, 18422432), (80, 16119628), (98, 13158880), (112, 11514020), (124, 10399760), (140, 9211216), (155, 8319808), (160, 8059814), (196, 6579440), (217, 5942720), (224, 5757010), (245, 5263552), (248, 5199880), (280, 4605608), (310, 4159904), (320, 4029907), (343, 3759680), (379, 3402560), (392, 3289720), (434, 2971360), (448, 2878505), (490, 2631776), (496, 2599940), (560, 2302804), (620, 2079952), (686, 1879840), (758, 1701280), (784, 1644860), (868, 1485680), (980, 1315888), (992, 1299970), (1085, 1188544), (1120, 1151402), (1240, 1039976), (1372, 939920), (1516, 850640), (1519, 848960), (1568, 822430), (1715, 751936), (1736, 742840), (1895, 680512), (1960, 657944), (1984, 649985), (2170, 594272), (2240, 575701), (2480, 519988), (2653, 486080), (2744, 469960), (3032, 425320), (3038, 424480), (3136, 411215), (3430, 375968), (3472, 371420), (3790, 340256), (3920, 328972), (4340, 297136), (4960, 259994), (5306, 243040), (5488, 234980), (6064, 212660), (6076, 212240), (6860, 187984), (6944, 185710), (7580, 170128), (7595, 169792), (7840, 164486), (8680, 148568), (9920, 129997), (10612, 121520), (10633, 121280), (10976, 117490), (11749, 109760), (12128, 106330), (12152, 106120), (13265, 97216), (13720, 93992), (13888, 92855), (15160, 85064), (15190, 84896), (15680, 82243), (17360, 74284), (18571, 69440), (21224, 60760), (21266, 60640), (21952, 58745), (23498, 54880), (24256, 53165), (24304, 53060), (26530, 48608), (27440, 46996), (30320, 42532), (30380, 42448), (34720, 37142)]