80186940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 253212960

約数和(自身を除く): 173026020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 67, 90, 109, 122, 134, 180, 183, 201, 218, 244, 268, 305, 327, 335, 366, 402, 436, 545, 549, 603, 610, 654, 670, 732, 804, 915, 981, 1005, 1090, 1098, 1206, 1220, 1308, 1340, 1635, 1830, 1962, 2010, 2180, 2196, 2412, 2745, 3015, 3270, 3660, 3924, 4020, 4087, 4905, 5490, 6030, 6540, 6649, 7303, 8174, 9810, 10980, 12060, 12261, 13298, 14606, 16348, 19620, 19947, 20435, 21909, 24522, 26596, 29212, 33245, 36515, 36783, 39894, 40870, 43818, 49044, 59841, 61305, 65727, 66490, 73030, 73566, 79788, 81740, 87636, 99735, 109545, 119682, 122610, 131454, 132980, 146060, 147132, 183915, 199470, 219090, 239364, 245220, 262908, 299205, 328635, 367830, 398940, 438180, 445483, 598410, 657270, 735660, 890966, 1196820, 1314540, 1336449, 1781932, 2227415, 2672898, 4009347, 4454830, 5345796, 6682245, 8018694, 8909660, 13364490, 16037388, 20046735, 26728980, 40093470, 80186940]

約数ペア:

[(1, 80186940), (2, 40093470), (3, 26728980), (4, 20046735), (5, 16037388), (6, 13364490), (9, 8909660), (10, 8018694), (12, 6682245), (15, 5345796), (18, 4454830), (20, 4009347), (30, 2672898), (36, 2227415), (45, 1781932), (60, 1336449), (61, 1314540), (67, 1196820), (90, 890966), (109, 735660), (122, 657270), (134, 598410), (180, 445483), (183, 438180), (201, 398940), (218, 367830), (244, 328635), (268, 299205), (305, 262908), (327, 245220), (335, 239364), (366, 219090), (402, 199470), (436, 183915), (545, 147132), (549, 146060), (603, 132980), (610, 131454), (654, 122610), (670, 119682), (732, 109545), (804, 99735), (915, 87636), (981, 81740), (1005, 79788), (1090, 73566), (1098, 73030), (1206, 66490), (1220, 65727), (1308, 61305), (1340, 59841), (1635, 49044), (1830, 43818), (1962, 40870), (2010, 39894), (2180, 36783), (2196, 36515), (2412, 33245), (2745, 29212), (3015, 26596), (3270, 24522), (3660, 21909), (3924, 20435), (4020, 19947), (4087, 19620), (4905, 16348), (5490, 14606), (6030, 13298), (6540, 12261), (6649, 12060), (7303, 10980), (8174, 9810)]