78075180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 256445280

約数和(自身を除く): 178370100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 617, 666, 684, 703, 740, 855, 1110, 1140, 1234, 1332, 1406, 1665, 1710, 1851, 2109, 2220, 2468, 2812, 3085, 3330, 3420, 3515, 3702, 4218, 5553, 6170, 6327, 6660, 7030, 7404, 8436, 9255, 10545, 11106, 11723, 12340, 12654, 14060, 18510, 21090, 22212, 22829, 23446, 25308, 27765, 31635, 35169, 37020, 42180, 45658, 46892, 55530, 58615, 63270, 68487, 70338, 91316, 105507, 111060, 114145, 117230, 126540, 136974, 140676, 175845, 205461, 211014, 228290, 234460, 273948, 342435, 351690, 410922, 422028, 433751, 456580, 527535, 684870, 703380, 821844, 867502, 1027305, 1055070, 1301253, 1369740, 1735004, 2054610, 2110140, 2168755, 2602506, 3903759, 4109220, 4337510, 5205012, 6506265, 7807518, 8675020, 13012530, 15615036, 19518795, 26025060, 39037590, 78075180]

約数ペア:

[(1, 78075180), (2, 39037590), (3, 26025060), (4, 19518795), (5, 15615036), (6, 13012530), (9, 8675020), (10, 7807518), (12, 6506265), (15, 5205012), (18, 4337510), (19, 4109220), (20, 3903759), (30, 2602506), (36, 2168755), (37, 2110140), (38, 2054610), (45, 1735004), (57, 1369740), (60, 1301253), (74, 1055070), (76, 1027305), (90, 867502), (95, 821844), (111, 703380), (114, 684870), (148, 527535), (171, 456580), (180, 433751), (185, 422028), (190, 410922), (222, 351690), (228, 342435), (285, 273948), (333, 234460), (342, 228290), (370, 211014), (380, 205461), (444, 175845), (555, 140676), (570, 136974), (617, 126540), (666, 117230), (684, 114145), (703, 111060), (740, 105507), (855, 91316), (1110, 70338), (1140, 68487), (1234, 63270), (1332, 58615), (1406, 55530), (1665, 46892), (1710, 45658), (1851, 42180), (2109, 37020), (2220, 35169), (2468, 31635), (2812, 27765), (3085, 25308), (3330, 23446), (3420, 22829), (3515, 22212), (3702, 21090), (4218, 18510), (5553, 14060), (6170, 12654), (6327, 12340), (6660, 11723), (7030, 11106), (7404, 10545), (8436, 9255)]