898498620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{613}}^1$

素因数の和:1124

約数の個数: 144

約数和(自身を含む): 2896508160

約数和(自身を除く): 1998009540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 479, 510, 612, 613, 765, 958, 1020, 1226, 1437, 1530, 1839, 1916, 2395, 2452, 2874, 3060, 3065, 3678, 4311, 4790, 5517, 5748, 6130, 7185, 7356, 8143, 8622, 9195, 9580, 10421, 11034, 12260, 14370, 16286, 17244, 18390, 20842, 21555, 22068, 24429, 27585, 28740, 31263, 32572, 36780, 40715, 41684, 43110, 48858, 52105, 55170, 62526, 73287, 81430, 86220, 93789, 97716, 104210, 110340, 122145, 125052, 146574, 156315, 162860, 187578, 208420, 244290, 293148, 293627, 312630, 366435, 375156, 468945, 488580, 587254, 625260, 732870, 880881, 937890, 1174508, 1465740, 1468135, 1761762, 1875780, 2642643, 2936270, 3523524, 4404405, 4991659, 5285286, 5872540, 8808810, 9983318, 10570572, 13213215, 14974977, 17617620, 19966636, 24958295, 26426430, 29949954, 44924931, 49916590, 52852860, 59899908, 74874885, 89849862, 99833180, 149749770, 179699724, 224624655, 299499540, 449249310, 898498620]

約数ペア:

[(1, 898498620), (2, 449249310), (3, 299499540), (4, 224624655), (5, 179699724), (6, 149749770), (9, 99833180), (10, 89849862), (12, 74874885), (15, 59899908), (17, 52852860), (18, 49916590), (20, 44924931), (30, 29949954), (34, 26426430), (36, 24958295), (45, 19966636), (51, 17617620), (60, 14974977), (68, 13213215), (85, 10570572), (90, 9983318), (102, 8808810), (153, 5872540), (170, 5285286), (180, 4991659), (204, 4404405), (255, 3523524), (306, 2936270), (340, 2642643), (479, 1875780), (510, 1761762), (612, 1468135), (613, 1465740), (765, 1174508), (958, 937890), (1020, 880881), (1226, 732870), (1437, 625260), (1530, 587254), (1839, 488580), (1916, 468945), (2395, 375156), (2452, 366435), (2874, 312630), (3060, 293627), (3065, 293148), (3678, 244290), (4311, 208420), (4790, 187578), (5517, 162860), (5748, 156315), (6130, 146574), (7185, 125052), (7356, 122145), (8143, 110340), (8622, 104210), (9195, 97716), (9580, 93789), (10421, 86220), (11034, 81430), (12260, 73287), (14370, 62526), (16286, 55170), (17244, 52105), (18390, 48858), (20842, 43110), (21555, 41684), (22068, 40715), (24429, 36780), (27585, 32572), (28740, 31263)]