8420040

素因数分解:

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

素因数の和:1267

約数の個数: 96

約数和(自身を含む): 28828800

約数和(自身を除く): 20408760

約数列:

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

約数ペア:

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