19737360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 67317120

約数和(自身を除く): 47579760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 347, 360, 395, 474, 632, 694, 711, 720, 790, 948, 1041, 1185, 1264, 1388, 1422, 1580, 1735, 1896, 2082, 2370, 2776, 2844, 3123, 3160, 3470, 3555, 3792, 4164, 4740, 5205, 5552, 5688, 6246, 6320, 6940, 7110, 8328, 9480, 10410, 11376, 12492, 13880, 14220, 15615, 16656, 18960, 20820, 24984, 27413, 27760, 28440, 31230, 41640, 49968, 54826, 56880, 62460, 82239, 83280, 109652, 124920, 137065, 164478, 219304, 246717, 249840, 274130, 328956, 411195, 438608, 493434, 548260, 657912, 822390, 986868, 1096520, 1233585, 1315824, 1644780, 1973736, 2193040, 2467170, 3289560, 3947472, 4934340, 6579120, 9868680, 19737360]

約数ペア:

[(1, 19737360), (2, 9868680), (3, 6579120), (4, 4934340), (5, 3947472), (6, 3289560), (8, 2467170), (9, 2193040), (10, 1973736), (12, 1644780), (15, 1315824), (16, 1233585), (18, 1096520), (20, 986868), (24, 822390), (30, 657912), (36, 548260), (40, 493434), (45, 438608), (48, 411195), (60, 328956), (72, 274130), (79, 249840), (80, 246717), (90, 219304), (120, 164478), (144, 137065), (158, 124920), (180, 109652), (237, 83280), (240, 82239), (316, 62460), (347, 56880), (360, 54826), (395, 49968), (474, 41640), (632, 31230), (694, 28440), (711, 27760), (720, 27413), (790, 24984), (948, 20820), (1041, 18960), (1185, 16656), (1264, 15615), (1388, 14220), (1422, 13880), (1580, 12492), (1735, 11376), (1896, 10410), (2082, 9480), (2370, 8328), (2776, 7110), (2844, 6940), (3123, 6320), (3160, 6246), (3470, 5688), (3555, 5552), (3792, 5205), (4164, 4740)]