128700540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 417729312

約数和(自身を除く): 289028772

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, 137, 153, 170, 180, 204, 255, 274, 306, 307, 340, 411, 510, 548, 612, 614, 685, 765, 822, 921, 1020, 1228, 1233, 1370, 1530, 1535, 1644, 1842, 2055, 2329, 2466, 2740, 2763, 3060, 3070, 3684, 4110, 4605, 4658, 4932, 5219, 5526, 6140, 6165, 6987, 8220, 9210, 9316, 10438, 11052, 11645, 12330, 13815, 13974, 15657, 18420, 20876, 20961, 23290, 24660, 26095, 27630, 27948, 31314, 34935, 41922, 42059, 46580, 46971, 52190, 55260, 62628, 69870, 78285, 83844, 84118, 93942, 104380, 104805, 126177, 139740, 156570, 168236, 187884, 209610, 210295, 234855, 252354, 313140, 378531, 419220, 420590, 469710, 504708, 630885, 715003, 757062, 841180, 939420, 1261770, 1430006, 1514124, 1892655, 2145009, 2523540, 2860012, 3575015, 3785310, 4290018, 6435027, 7150030, 7570620, 8580036, 10725045, 12870054, 14300060, 21450090, 25740108, 32175135, 42900180, 64350270, 128700540]

約数ペア:

[(1, 128700540), (2, 64350270), (3, 42900180), (4, 32175135), (5, 25740108), (6, 21450090), (9, 14300060), (10, 12870054), (12, 10725045), (15, 8580036), (17, 7570620), (18, 7150030), (20, 6435027), (30, 4290018), (34, 3785310), (36, 3575015), (45, 2860012), (51, 2523540), (60, 2145009), (68, 1892655), (85, 1514124), (90, 1430006), (102, 1261770), (137, 939420), (153, 841180), (170, 757062), (180, 715003), (204, 630885), (255, 504708), (274, 469710), (306, 420590), (307, 419220), (340, 378531), (411, 313140), (510, 252354), (548, 234855), (612, 210295), (614, 209610), (685, 187884), (765, 168236), (822, 156570), (921, 139740), (1020, 126177), (1228, 104805), (1233, 104380), (1370, 93942), (1530, 84118), (1535, 83844), (1644, 78285), (1842, 69870), (2055, 62628), (2329, 55260), (2466, 52190), (2740, 46971), (2763, 46580), (3060, 42059), (3070, 41922), (3684, 34935), (4110, 31314), (4605, 27948), (4658, 27630), (4932, 26095), (5219, 24660), (5526, 23290), (6140, 20961), (6165, 20876), (6987, 18420), (8220, 15657), (9210, 13974), (9316, 13815), (10438, 12330), (11052, 11645)]