81522870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 237662208

約数和(自身を除く): 156139338

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 31, 33, 39, 55, 62, 65, 66, 78, 93, 110, 130, 143, 155, 165, 186, 195, 286, 310, 330, 341, 390, 403, 429, 465, 613, 682, 715, 806, 858, 930, 1023, 1209, 1226, 1430, 1705, 1839, 2015, 2046, 2145, 2418, 3065, 3410, 3678, 4030, 4290, 4433, 5115, 6045, 6130, 6743, 7969, 8866, 9195, 10230, 12090, 13299, 13486, 15938, 18390, 19003, 20229, 22165, 23907, 26598, 33715, 38006, 39845, 40458, 44330, 47814, 57009, 66495, 67430, 79690, 87659, 95015, 101145, 114018, 119535, 132990, 175318, 190030, 202290, 209033, 239070, 247039, 262977, 285045, 418066, 438295, 494078, 525954, 570090, 627099, 741117, 876590, 1045165, 1235195, 1254198, 1314885, 1482234, 2090330, 2470390, 2629770, 2717429, 3135495, 3705585, 5434858, 6270990, 7411170, 8152287, 13587145, 16304574, 27174290, 40761435, 81522870]

約数ペア:

[(1, 81522870), (2, 40761435), (3, 27174290), (5, 16304574), (6, 13587145), (10, 8152287), (11, 7411170), (13, 6270990), (15, 5434858), (22, 3705585), (26, 3135495), (30, 2717429), (31, 2629770), (33, 2470390), (39, 2090330), (55, 1482234), (62, 1314885), (65, 1254198), (66, 1235195), (78, 1045165), (93, 876590), (110, 741117), (130, 627099), (143, 570090), (155, 525954), (165, 494078), (186, 438295), (195, 418066), (286, 285045), (310, 262977), (330, 247039), (341, 239070), (390, 209033), (403, 202290), (429, 190030), (465, 175318), (613, 132990), (682, 119535), (715, 114018), (806, 101145), (858, 95015), (930, 87659), (1023, 79690), (1209, 67430), (1226, 66495), (1430, 57009), (1705, 47814), (1839, 44330), (2015, 40458), (2046, 39845), (2145, 38006), (2418, 33715), (3065, 26598), (3410, 23907), (3678, 22165), (4030, 20229), (4290, 19003), (4433, 18390), (5115, 15938), (6045, 13486), (6130, 13299), (6743, 12090), (7969, 10230), (8866, 9195)]