20154729780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{65213}}^1$

素因数の和:65346

約数の個数: 144

約数和(自身を含む): 65374165584

約数和(自身を除く): 45219435804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 101, 102, 153, 170, 180, 202, 204, 255, 303, 306, 340, 404, 505, 510, 606, 612, 765, 909, 1010, 1020, 1212, 1515, 1530, 1717, 1818, 2020, 3030, 3060, 3434, 3636, 4545, 5151, 6060, 6868, 8585, 9090, 10302, 15453, 17170, 18180, 20604, 25755, 30906, 34340, 51510, 61812, 65213, 77265, 103020, 130426, 154530, 195639, 260852, 309060, 326065, 391278, 586917, 652130, 782556, 978195, 1108621, 1173834, 1304260, 1956390, 2217242, 2347668, 2934585, 3325863, 3912780, 4434484, 5543105, 5869170, 6586513, 6651726, 9977589, 11086210, 11738340, 13173026, 13303452, 16629315, 19759539, 19955178, 22172420, 26346052, 32932565, 33258630, 39519078, 39910356, 49887945, 59278617, 65865130, 66517260, 79038156, 98797695, 99775890, 111970721, 118557234, 131730260, 197595390, 199551780, 223941442, 237114468, 296393085, 335912163, 395190780, 447882884, 559853605, 592786170, 671824326, 1007736489, 1119707210, 1185572340, 1343648652, 1679560815, 2015472978, 2239414420, 3359121630, 4030945956, 5038682445, 6718243260, 10077364890, 20154729780]

約数ペア:

[(1, 20154729780), (2, 10077364890), (3, 6718243260), (4, 5038682445), (5, 4030945956), (6, 3359121630), (9, 2239414420), (10, 2015472978), (12, 1679560815), (15, 1343648652), (17, 1185572340), (18, 1119707210), (20, 1007736489), (30, 671824326), (34, 592786170), (36, 559853605), (45, 447882884), (51, 395190780), (60, 335912163), (68, 296393085), (85, 237114468), (90, 223941442), (101, 199551780), (102, 197595390), (153, 131730260), (170, 118557234), (180, 111970721), (202, 99775890), (204, 98797695), (255, 79038156), (303, 66517260), (306, 65865130), (340, 59278617), (404, 49887945), (505, 39910356), (510, 39519078), (606, 33258630), (612, 32932565), (765, 26346052), (909, 22172420), (1010, 19955178), (1020, 19759539), (1212, 16629315), (1515, 13303452), (1530, 13173026), (1717, 11738340), (1818, 11086210), (2020, 9977589), (3030, 6651726), (3060, 6586513), (3434, 5869170), (3636, 5543105), (4545, 4434484), (5151, 3912780), (6060, 3325863), (6868, 2934585), (8585, 2347668), (9090, 2217242), (10302, 1956390), (15453, 1304260), (17170, 1173834), (18180, 1108621), (20604, 978195), (25755, 782556), (30906, 652130), (34340, 586917), (51510, 391278), (61812, 326065), (65213, 309060), (77265, 260852), (103020, 195639), (130426, 154530)]