16840080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1269

約数の個数: 120

約数和(自身を含む): 59579520

約数和(自身を除く): 42739440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1231, 1368, 1520, 1710, 2280, 2462, 2736, 3420, 3693, 4560, 4924, 6155, 6840, 7386, 9848, 11079, 12310, 13680, 14772, 18465, 19696, 22158, 23389, 24620, 29544, 36930, 44316, 46778, 49240, 55395, 59088, 70167, 73860, 88632, 93556, 98480, 110790, 116945, 140334, 147720, 177264, 187112, 210501, 221580, 233890, 280668, 295440, 350835, 374224, 421002, 443160, 467780, 561336, 701670, 842004, 886320, 935560, 1052505, 1122672, 1403340, 1684008, 1871120, 2105010, 2806680, 3368016, 4210020, 5613360, 8420040, 16840080]

約数ペア:

[(1, 16840080), (2, 8420040), (3, 5613360), (4, 4210020), (5, 3368016), (6, 2806680), (8, 2105010), (9, 1871120), (10, 1684008), (12, 1403340), (15, 1122672), (16, 1052505), (18, 935560), (19, 886320), (20, 842004), (24, 701670), (30, 561336), (36, 467780), (38, 443160), (40, 421002), (45, 374224), (48, 350835), (57, 295440), (60, 280668), (72, 233890), (76, 221580), (80, 210501), (90, 187112), (95, 177264), (114, 147720), (120, 140334), (144, 116945), (152, 110790), (171, 98480), (180, 93556), (190, 88632), (228, 73860), (240, 70167), (285, 59088), (304, 55395), (342, 49240), (360, 46778), (380, 44316), (456, 36930), (570, 29544), (684, 24620), (720, 23389), (760, 22158), (855, 19696), (912, 18465), (1140, 14772), (1231, 13680), (1368, 12310), (1520, 11079), (1710, 9848), (2280, 7386), (2462, 6840), (2736, 6155), (3420, 4924), (3693, 4560)]