2021220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 6652800

約数和(自身を除く): 4631580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 197, 228, 270, 285, 342, 380, 394, 513, 540, 570, 591, 684, 788, 855, 985, 1026, 1140, 1182, 1710, 1773, 1970, 2052, 2364, 2565, 2955, 3420, 3546, 3743, 3940, 5130, 5319, 5910, 7092, 7486, 8865, 10260, 10638, 11229, 11820, 14972, 17730, 18715, 21276, 22458, 26595, 33687, 35460, 37430, 44916, 53190, 56145, 67374, 74860, 101061, 106380, 112290, 134748, 168435, 202122, 224580, 336870, 404244, 505305, 673740, 1010610, 2021220]

約数ペア:

[(1, 2021220), (2, 1010610), (3, 673740), (4, 505305), (5, 404244), (6, 336870), (9, 224580), (10, 202122), (12, 168435), (15, 134748), (18, 112290), (19, 106380), (20, 101061), (27, 74860), (30, 67374), (36, 56145), (38, 53190), (45, 44916), (54, 37430), (57, 35460), (60, 33687), (76, 26595), (90, 22458), (95, 21276), (108, 18715), (114, 17730), (135, 14972), (171, 11820), (180, 11229), (190, 10638), (197, 10260), (228, 8865), (270, 7486), (285, 7092), (342, 5910), (380, 5319), (394, 5130), (513, 3940), (540, 3743), (570, 3546), (591, 3420), (684, 2955), (788, 2565), (855, 2364), (985, 2052), (1026, 1970), (1140, 1773), (1182, 1710)]