172980180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1438

約数の個数: 144

約数和(自身を含む): 567665280

約数和(自身を除く): 394685100

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, 666, 684, 703, 740, 855, 1110, 1140, 1332, 1367, 1406, 1665, 1710, 2109, 2220, 2734, 2812, 3330, 3420, 3515, 4101, 4218, 5468, 6327, 6660, 6835, 7030, 8202, 8436, 10545, 12303, 12654, 13670, 14060, 16404, 20505, 21090, 24606, 25308, 25973, 27340, 31635, 41010, 42180, 49212, 50579, 51946, 61515, 63270, 77919, 82020, 101158, 103892, 123030, 126540, 129865, 151737, 155838, 202316, 233757, 246060, 252895, 259730, 303474, 311676, 389595, 455211, 467514, 505790, 519460, 606948, 758685, 779190, 910422, 935028, 961001, 1011580, 1168785, 1517370, 1558380, 1820844, 1922002, 2276055, 2337570, 2883003, 3034740, 3844004, 4552110, 4675140, 4805005, 5766006, 8649009, 9104220, 9610010, 11532012, 14415015, 17298018, 19220020, 28830030, 34596036, 43245045, 57660060, 86490090, 172980180]

約数ペア:

[(1, 172980180), (2, 86490090), (3, 57660060), (4, 43245045), (5, 34596036), (6, 28830030), (9, 19220020), (10, 17298018), (12, 14415015), (15, 11532012), (18, 9610010), (19, 9104220), (20, 8649009), (30, 5766006), (36, 4805005), (37, 4675140), (38, 4552110), (45, 3844004), (57, 3034740), (60, 2883003), (74, 2337570), (76, 2276055), (90, 1922002), (95, 1820844), (111, 1558380), (114, 1517370), (148, 1168785), (171, 1011580), (180, 961001), (185, 935028), (190, 910422), (222, 779190), (228, 758685), (285, 606948), (333, 519460), (342, 505790), (370, 467514), (380, 455211), (444, 389595), (555, 311676), (570, 303474), (666, 259730), (684, 252895), (703, 246060), (740, 233757), (855, 202316), (1110, 155838), (1140, 151737), (1332, 129865), (1367, 126540), (1406, 123030), (1665, 103892), (1710, 101158), (2109, 82020), (2220, 77919), (2734, 63270), (2812, 61515), (3330, 51946), (3420, 50579), (3515, 49212), (4101, 42180), (4218, 41010), (5468, 31635), (6327, 27340), (6660, 25973), (6835, 25308), (7030, 24606), (8202, 21090), (8436, 20505), (10545, 16404), (12303, 14060), (12654, 13670)]