131864940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38557}}^1$

素因数の和:38591

約数の個数: 72

約数和(自身を含む): 421053360

約数和(自身を除く): 289188420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 38557, 77114, 115671, 154228, 192785, 231342, 347013, 385570, 462684, 578355, 694026, 732583, 771140, 1156710, 1388052, 1465166, 1735065, 2197749, 2313420, 2930332, 3470130, 3662915, 4395498, 6593247, 6940260, 7325830, 8790996, 10988745, 13186494, 14651660, 21977490, 26372988, 32966235, 43954980, 65932470, 131864940]

約数ペア:

[(1, 131864940), (2, 65932470), (3, 43954980), (4, 32966235), (5, 26372988), (6, 21977490), (9, 14651660), (10, 13186494), (12, 10988745), (15, 8790996), (18, 7325830), (19, 6940260), (20, 6593247), (30, 4395498), (36, 3662915), (38, 3470130), (45, 2930332), (57, 2313420), (60, 2197749), (76, 1735065), (90, 1465166), (95, 1388052), (114, 1156710), (171, 771140), (180, 732583), (190, 694026), (228, 578355), (285, 462684), (342, 385570), (380, 347013), (570, 231342), (684, 192785), (855, 154228), (1140, 115671), (1710, 77114), (3420, 38557)]