7720513020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{54919}}^1$

素因数の和:55016

約数の個数: 144

約数和(自身を含む): 25908180480

約数和(自身を除く): 18187667460

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, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 639, 660, 710, 781, 852, 990, 1065, 1278, 1420, 1562, 1980, 2130, 2343, 2556, 3124, 3195, 3905, 4260, 4686, 6390, 7029, 7810, 9372, 11715, 12780, 14058, 15620, 23430, 28116, 35145, 46860, 54919, 70290, 109838, 140580, 164757, 219676, 274595, 329514, 494271, 549190, 604109, 659028, 823785, 988542, 1098380, 1208218, 1647570, 1812327, 1977084, 2416436, 2471355, 3020545, 3295140, 3624654, 3899249, 4942710, 5436981, 6041090, 7249308, 7798498, 9061635, 9885420, 10873962, 11697747, 12082180, 15596996, 18123270, 19496245, 21747924, 23395494, 27184905, 35093241, 36246540, 38992490, 42891739, 46790988, 54369810, 58488735, 70186482, 77984980, 85783478, 108739620, 116977470, 128675217, 140372964, 171566956, 175466205, 214458695, 233954940, 257350434, 350932410, 386025651, 428917390, 514700868, 643376085, 701864820, 772051302, 857834780, 1286752170, 1544102604, 1930128255, 2573504340, 3860256510, 7720513020]

約数ペア:

[(1, 7720513020), (2, 3860256510), (3, 2573504340), (4, 1930128255), (5, 1544102604), (6, 1286752170), (9, 857834780), (10, 772051302), (11, 701864820), (12, 643376085), (15, 514700868), (18, 428917390), (20, 386025651), (22, 350932410), (30, 257350434), (33, 233954940), (36, 214458695), (44, 175466205), (45, 171566956), (55, 140372964), (60, 128675217), (66, 116977470), (71, 108739620), (90, 85783478), (99, 77984980), (110, 70186482), (132, 58488735), (142, 54369810), (165, 46790988), (180, 42891739), (198, 38992490), (213, 36246540), (220, 35093241), (284, 27184905), (330, 23395494), (355, 21747924), (396, 19496245), (426, 18123270), (495, 15596996), (639, 12082180), (660, 11697747), (710, 10873962), (781, 9885420), (852, 9061635), (990, 7798498), (1065, 7249308), (1278, 6041090), (1420, 5436981), (1562, 4942710), (1980, 3899249), (2130, 3624654), (2343, 3295140), (2556, 3020545), (3124, 2471355), (3195, 2416436), (3905, 1977084), (4260, 1812327), (4686, 1647570), (6390, 1208218), (7029, 1098380), (7810, 988542), (9372, 823785), (11715, 659028), (12780, 604109), (14058, 549190), (15620, 494271), (23430, 329514), (28116, 274595), (35145, 219676), (46860, 164757), (54919, 140580), (70290, 109838)]