1213421220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:483

約数の個数: 288

約数和(自身を含む): 4234374144

約数和(自身を除く): 3020952924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 53, 55, 60, 62, 66, 90, 93, 99, 106, 110, 124, 132, 155, 159, 165, 180, 186, 198, 212, 220, 265, 279, 310, 318, 330, 341, 372, 373, 396, 465, 477, 495, 530, 558, 583, 620, 636, 660, 682, 746, 795, 930, 954, 990, 1023, 1060, 1116, 1119, 1166, 1364, 1395, 1492, 1590, 1643, 1705, 1749, 1860, 1865, 1908, 1980, 2046, 2238, 2332, 2385, 2790, 2915, 3069, 3180, 3286, 3357, 3410, 3498, 3730, 4092, 4103, 4476, 4770, 4929, 5115, 5247, 5580, 5595, 5830, 6138, 6572, 6714, 6820, 6996, 7460, 8206, 8215, 8745, 9540, 9858, 10230, 10494, 11190, 11563, 11660, 12276, 12309, 13428, 14787, 15345, 16412, 16430, 16785, 17490, 18073, 19716, 19769, 20460, 20515, 20988, 22380, 23126, 24618, 24645, 26235, 29574, 30690, 32860, 33570, 34689, 34980, 36146, 36927, 39538, 41030, 46252, 49236, 49290, 52470, 54219, 57815, 59148, 59307, 61380, 61545, 67140, 69378, 72292, 73854, 73935, 79076, 82060, 90365, 98580, 98845, 104067, 104940, 108438, 115630, 118614, 123090, 127193, 138756, 147708, 147870, 162657, 173445, 177921, 180730, 184635, 197690, 208134, 216876, 217459, 231260, 237228, 246180, 254386, 271095, 295740, 296535, 325314, 346890, 355842, 361460, 369270, 381579, 395380, 416268, 434918, 508772, 520335, 542190, 593070, 612839, 635965, 650628, 652377, 693780, 711684, 738540, 763158, 813285, 869836, 889605, 1040670, 1084380, 1087295, 1144737, 1186140, 1225678, 1271930, 1304754, 1526316, 1626570, 1779210, 1838517, 1907895, 1957131, 2081340, 2174590, 2289474, 2451356, 2543860, 2609508, 3064195, 3253140, 3261885, 3558420, 3677034, 3815790, 3914262, 4349180, 4578948, 5515551, 5723685, 6128390, 6523770, 6741229, 7354068, 7631580, 7828524, 9192585, 9785655, 11031102, 11447370, 12256780, 13047540, 13482458, 18385170, 19571310, 20223687, 22062204, 22894740, 26964916, 27577755, 33706145, 36770340, 39142620, 40447374, 55155510, 60671061, 67412290, 80894748, 101118435, 110311020, 121342122, 134824580, 202236870, 242684244, 303355305, 404473740, 606710610, 1213421220]

約数ペア:

[(1, 1213421220), (2, 606710610), (3, 404473740), (4, 303355305), (5, 242684244), (6, 202236870), (9, 134824580), (10, 121342122), (11, 110311020), (12, 101118435), (15, 80894748), (18, 67412290), (20, 60671061), (22, 55155510), (30, 40447374), (31, 39142620), (33, 36770340), (36, 33706145), (44, 27577755), (45, 26964916), (53, 22894740), (55, 22062204), (60, 20223687), (62, 19571310), (66, 18385170), (90, 13482458), (93, 13047540), (99, 12256780), (106, 11447370), (110, 11031102), (124, 9785655), (132, 9192585), (155, 7828524), (159, 7631580), (165, 7354068), (180, 6741229), (186, 6523770), (198, 6128390), (212, 5723685), (220, 5515551), (265, 4578948), (279, 4349180), (310, 3914262), (318, 3815790), (330, 3677034), (341, 3558420), (372, 3261885), (373, 3253140), (396, 3064195), (465, 2609508), (477, 2543860), (495, 2451356), (530, 2289474), (558, 2174590), (583, 2081340), (620, 1957131), (636, 1907895), (660, 1838517), (682, 1779210), (746, 1626570), (795, 1526316), (930, 1304754), (954, 1271930), (990, 1225678), (1023, 1186140), (1060, 1144737), (1116, 1087295), (1119, 1084380), (1166, 1040670), (1364, 889605), (1395, 869836), (1492, 813285), (1590, 763158), (1643, 738540), (1705, 711684), (1749, 693780), (1860, 652377), (1865, 650628), (1908, 635965), (1980, 612839), (2046, 593070), (2238, 542190), (2332, 520335), (2385, 508772), (2790, 434918), (2915, 416268), (3069, 395380), (3180, 381579), (3286, 369270), (3357, 361460), (3410, 355842), (3498, 346890), (3730, 325314), (4092, 296535), (4103, 295740), (4476, 271095), (4770, 254386), (4929, 246180), (5115, 237228), (5247, 231260), (5580, 217459), (5595, 216876), (5830, 208134), (6138, 197690), (6572, 184635), (6714, 180730), (6820, 177921), (6996, 173445), (7460, 162657), (8206, 147870), (8215, 147708), (8745, 138756), (9540, 127193), (9858, 123090), (10230, 118614), (10494, 115630), (11190, 108438), (11563, 104940), (11660, 104067), (12276, 98845), (12309, 98580), (13428, 90365), (14787, 82060), (15345, 79076), (16412, 73935), (16430, 73854), (16785, 72292), (17490, 69378), (18073, 67140), (19716, 61545), (19769, 61380), (20460, 59307), (20515, 59148), (20988, 57815), (22380, 54219), (23126, 52470), (24618, 49290), (24645, 49236), (26235, 46252), (29574, 41030), (30690, 39538), (32860, 36927), (33570, 36146), (34689, 34980)]