418727680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2794

約数の個数: 144

約数和(自身を含む): 1214136000

約数和(自身を除く): 795408320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 2176, 2240, 2380, 2720, 2749, 3808, 4352, 4480, 4760, 5440, 5498, 7616, 8960, 9520, 10880, 10996, 13745, 15232, 19040, 19243, 21760, 21992, 27490, 30464, 38080, 38486, 43984, 46733, 54980, 76160, 76972, 87968, 93466, 96215, 109960, 152320, 153944, 175936, 186932, 192430, 219920, 233665, 307888, 327131, 351872, 373864, 384860, 439840, 467330, 615776, 654262, 703744, 747728, 769720, 879680, 934660, 1231552, 1308524, 1495456, 1539440, 1635655, 1759360, 1869320, 2463104, 2617048, 2990912, 3078880, 3271310, 3518720, 3738640, 4926208, 5234096, 5981824, 6157760, 6542620, 7477280, 10468192, 11963648, 12315520, 13085240, 14954560, 20936384, 24631040, 26170480, 29909120, 41872768, 52340960, 59818240, 83745536, 104681920, 209363840, 418727680]

約数ペア:

[(1, 418727680), (2, 209363840), (4, 104681920), (5, 83745536), (7, 59818240), (8, 52340960), (10, 41872768), (14, 29909120), (16, 26170480), (17, 24631040), (20, 20936384), (28, 14954560), (32, 13085240), (34, 12315520), (35, 11963648), (40, 10468192), (56, 7477280), (64, 6542620), (68, 6157760), (70, 5981824), (80, 5234096), (85, 4926208), (112, 3738640), (119, 3518720), (128, 3271310), (136, 3078880), (140, 2990912), (160, 2617048), (170, 2463104), (224, 1869320), (238, 1759360), (256, 1635655), (272, 1539440), (280, 1495456), (320, 1308524), (340, 1231552), (448, 934660), (476, 879680), (544, 769720), (560, 747728), (595, 703744), (640, 654262), (680, 615776), (896, 467330), (952, 439840), (1088, 384860), (1120, 373864), (1190, 351872), (1280, 327131), (1360, 307888), (1792, 233665), (1904, 219920), (2176, 192430), (2240, 186932), (2380, 175936), (2720, 153944), (2749, 152320), (3808, 109960), (4352, 96215), (4480, 93466), (4760, 87968), (5440, 76972), (5498, 76160), (7616, 54980), (8960, 46733), (9520, 43984), (10880, 38486), (10996, 38080), (13745, 30464), (15232, 27490), (19040, 21992), (19243, 21760)]