31250820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 93542400

約数和(自身を除く): 62291580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 79, 95, 114, 158, 190, 228, 237, 285, 316, 347, 380, 395, 474, 570, 694, 790, 948, 1041, 1140, 1185, 1388, 1501, 1580, 1735, 2082, 2370, 3002, 3470, 4164, 4503, 4740, 5205, 6004, 6593, 6940, 7505, 9006, 10410, 13186, 15010, 18012, 19779, 20820, 22515, 26372, 27413, 30020, 32965, 39558, 45030, 54826, 65930, 79116, 82239, 90060, 98895, 109652, 131860, 137065, 164478, 197790, 274130, 328956, 395580, 411195, 520847, 548260, 822390, 1041694, 1562541, 1644780, 2083388, 2604235, 3125082, 5208470, 6250164, 7812705, 10416940, 15625410, 31250820]

約数ペア:

[(1, 31250820), (2, 15625410), (3, 10416940), (4, 7812705), (5, 6250164), (6, 5208470), (10, 3125082), (12, 2604235), (15, 2083388), (19, 1644780), (20, 1562541), (30, 1041694), (38, 822390), (57, 548260), (60, 520847), (76, 411195), (79, 395580), (95, 328956), (114, 274130), (158, 197790), (190, 164478), (228, 137065), (237, 131860), (285, 109652), (316, 98895), (347, 90060), (380, 82239), (395, 79116), (474, 65930), (570, 54826), (694, 45030), (790, 39558), (948, 32965), (1041, 30020), (1140, 27413), (1185, 26372), (1388, 22515), (1501, 20820), (1580, 19779), (1735, 18012), (2082, 15010), (2370, 13186), (3002, 10410), (3470, 9006), (4164, 7505), (4503, 6940), (4740, 6593), (5205, 6004)]