81662760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11939}}^1$

素因数の和:11975

約数の個数: 96

約数和(自身を含む): 279396000

約数和(自身を除く): 197733240

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, 1368, 1710, 2280, 3420, 6840, 11939, 23878, 35817, 47756, 59695, 71634, 95512, 107451, 119390, 143268, 179085, 214902, 226841, 238780, 286536, 358170, 429804, 453682, 477560, 537255, 680523, 716340, 859608, 907364, 1074510, 1134205, 1361046, 1432680, 1814728, 2041569, 2149020, 2268410, 2722092, 3402615, 4083138, 4298040, 4536820, 5444184, 6805230, 8166276, 9073640, 10207845, 13610460, 16332552, 20415690, 27220920, 40831380, 81662760]

約数ペア:

[(1, 81662760), (2, 40831380), (3, 27220920), (4, 20415690), (5, 16332552), (6, 13610460), (8, 10207845), (9, 9073640), (10, 8166276), (12, 6805230), (15, 5444184), (18, 4536820), (19, 4298040), (20, 4083138), (24, 3402615), (30, 2722092), (36, 2268410), (38, 2149020), (40, 2041569), (45, 1814728), (57, 1432680), (60, 1361046), (72, 1134205), (76, 1074510), (90, 907364), (95, 859608), (114, 716340), (120, 680523), (152, 537255), (171, 477560), (180, 453682), (190, 429804), (228, 358170), (285, 286536), (342, 238780), (360, 226841), (380, 214902), (456, 179085), (570, 143268), (684, 119390), (760, 107451), (855, 95512), (1140, 71634), (1368, 59695), (1710, 47756), (2280, 35817), (3420, 23878), (6840, 11939)]