1604032640

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{7307}}^1$

素因数の和:7347

約数の個数: 128

約数和(自身を含む): 4472496000

約数和(自身を除く): 2868463360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 3136, 3430, 3920, 4480, 5488, 6272, 6860, 7307, 7840, 10976, 13720, 14614, 15680, 21952, 27440, 29228, 31360, 36535, 43904, 51149, 54880, 58456, 73070, 102298, 109760, 116912, 146140, 204596, 219520, 233824, 255745, 292280, 358043, 409192, 467648, 511490, 584560, 716086, 818384, 935296, 1022980, 1169120, 1432172, 1636768, 1790215, 2045960, 2338240, 2506301, 2864344, 3273536, 3580430, 4091920, 4676480, 5012602, 5728688, 6547072, 7160860, 8183840, 10025204, 11457376, 12531505, 14321720, 16367680, 20050408, 22914752, 25063010, 28643440, 32735360, 40100816, 45829504, 50126020, 57286880, 80201632, 100252040, 114573760, 160403264, 200504080, 229147520, 320806528, 401008160, 802016320, 1604032640]

約数ペア:

[(1, 1604032640), (2, 802016320), (4, 401008160), (5, 320806528), (7, 229147520), (8, 200504080), (10, 160403264), (14, 114573760), (16, 100252040), (20, 80201632), (28, 57286880), (32, 50126020), (35, 45829504), (40, 40100816), (49, 32735360), (56, 28643440), (64, 25063010), (70, 22914752), (80, 20050408), (98, 16367680), (112, 14321720), (128, 12531505), (140, 11457376), (160, 10025204), (196, 8183840), (224, 7160860), (245, 6547072), (280, 5728688), (320, 5012602), (343, 4676480), (392, 4091920), (448, 3580430), (490, 3273536), (560, 2864344), (640, 2506301), (686, 2338240), (784, 2045960), (896, 1790215), (980, 1636768), (1120, 1432172), (1372, 1169120), (1568, 1022980), (1715, 935296), (1960, 818384), (2240, 716086), (2744, 584560), (3136, 511490), (3430, 467648), (3920, 409192), (4480, 358043), (5488, 292280), (6272, 255745), (6860, 233824), (7307, 219520), (7840, 204596), (10976, 146140), (13720, 116912), (14614, 109760), (15680, 102298), (21952, 73070), (27440, 58456), (29228, 54880), (31360, 51149), (36535, 43904)]