72415668620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1097}}^1$

素因数の和:1408

約数の個数: 144

約数和(自身を含む): 165300403968

約数和(自身を除く): 92884735348

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 223, 361, 380, 410, 446, 722, 779, 820, 892, 1097, 1115, 1444, 1558, 1805, 2194, 2230, 3116, 3610, 3895, 4237, 4388, 4460, 5485, 7220, 7790, 8474, 9143, 10970, 14801, 15580, 16948, 18286, 20843, 21185, 21940, 29602, 36572, 41686, 42370, 44977, 45715, 59204, 74005, 80503, 83372, 84740, 89954, 91430, 104215, 148010, 161006, 173717, 179908, 182860, 208430, 224885, 244631, 296020, 322012, 347434, 396017, 402515, 416860, 449770, 489262, 694868, 792034, 805030, 854563, 868585, 899540, 978524, 1223155, 1584068, 1610060, 1709126, 1737170, 1980085, 2446310, 3300623, 3418252, 3474340, 3960170, 4272815, 4647989, 4892620, 6601246, 7920340, 8545630, 9295978, 10029871, 13202492, 16236697, 16503115, 17091260, 18591956, 20059742, 23239945, 32473394, 33006230, 40119484, 46479890, 50149355, 64946788, 66012460, 81183485, 88311791, 92959780, 100298710, 162366970, 176623582, 190567549, 200597420, 324733940, 353247164, 381135098, 441558955, 762270196, 883117910, 952837745, 1766235820, 1905675490, 3620783431, 3811350980, 7241566862, 14483133724, 18103917155, 36207834310, 72415668620]

約数ペア:

[(1, 72415668620), (2, 36207834310), (4, 18103917155), (5, 14483133724), (10, 7241566862), (19, 3811350980), (20, 3620783431), (38, 1905675490), (41, 1766235820), (76, 952837745), (82, 883117910), (95, 762270196), (164, 441558955), (190, 381135098), (205, 353247164), (223, 324733940), (361, 200597420), (380, 190567549), (410, 176623582), (446, 162366970), (722, 100298710), (779, 92959780), (820, 88311791), (892, 81183485), (1097, 66012460), (1115, 64946788), (1444, 50149355), (1558, 46479890), (1805, 40119484), (2194, 33006230), (2230, 32473394), (3116, 23239945), (3610, 20059742), (3895, 18591956), (4237, 17091260), (4388, 16503115), (4460, 16236697), (5485, 13202492), (7220, 10029871), (7790, 9295978), (8474, 8545630), (9143, 7920340), (10970, 6601246), (14801, 4892620), (15580, 4647989), (16948, 4272815), (18286, 3960170), (20843, 3474340), (21185, 3418252), (21940, 3300623), (29602, 2446310), (36572, 1980085), (41686, 1737170), (42370, 1709126), (44977, 1610060), (45715, 1584068), (59204, 1223155), (74005, 978524), (80503, 899540), (83372, 868585), (84740, 854563), (89954, 805030), (91430, 792034), (104215, 694868), (148010, 489262), (161006, 449770), (173717, 416860), (179908, 402515), (182860, 396017), (208430, 347434), (224885, 322012), (244631, 296020)]