215501220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1010

約数の個数: 144

約数和(自身を含む): 719566848

約数和(自身を除く): 504065628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 127, 132, 165, 180, 198, 220, 254, 330, 381, 396, 495, 508, 635, 660, 762, 857, 990, 1143, 1270, 1397, 1524, 1714, 1905, 1980, 2286, 2540, 2571, 2794, 3428, 3810, 4191, 4285, 4572, 5142, 5588, 5715, 6985, 7620, 7713, 8382, 8570, 9427, 10284, 11430, 12573, 12855, 13970, 15426, 16764, 17140, 18854, 20955, 22860, 25146, 25710, 27940, 28281, 30852, 37708, 38565, 41910, 47135, 50292, 51420, 56562, 62865, 77130, 83820, 84843, 94270, 108839, 113124, 125730, 141405, 154260, 169686, 188540, 217678, 251460, 282810, 326517, 339372, 424215, 435356, 544195, 565620, 653034, 848430, 979551, 1088390, 1197229, 1306068, 1632585, 1696860, 1959102, 2176780, 2394458, 3265170, 3591687, 3918204, 4788916, 4897755, 5986145, 6530340, 7183374, 9795510, 10775061, 11972290, 14366748, 17958435, 19591020, 21550122, 23944580, 35916870, 43100244, 53875305, 71833740, 107750610, 215501220]

約数ペア:

[(1, 215501220), (2, 107750610), (3, 71833740), (4, 53875305), (5, 43100244), (6, 35916870), (9, 23944580), (10, 21550122), (11, 19591020), (12, 17958435), (15, 14366748), (18, 11972290), (20, 10775061), (22, 9795510), (30, 7183374), (33, 6530340), (36, 5986145), (44, 4897755), (45, 4788916), (55, 3918204), (60, 3591687), (66, 3265170), (90, 2394458), (99, 2176780), (110, 1959102), (127, 1696860), (132, 1632585), (165, 1306068), (180, 1197229), (198, 1088390), (220, 979551), (254, 848430), (330, 653034), (381, 565620), (396, 544195), (495, 435356), (508, 424215), (635, 339372), (660, 326517), (762, 282810), (857, 251460), (990, 217678), (1143, 188540), (1270, 169686), (1397, 154260), (1524, 141405), (1714, 125730), (1905, 113124), (1980, 108839), (2286, 94270), (2540, 84843), (2571, 83820), (2794, 77130), (3428, 62865), (3810, 56562), (4191, 51420), (4285, 50292), (4572, 47135), (5142, 41910), (5588, 38565), (5715, 37708), (6985, 30852), (7620, 28281), (7713, 27940), (8382, 25710), (8570, 25146), (9427, 22860), (10284, 20955), (11430, 18854), (12573, 17140), (12855, 16764), (13970, 15426)]